• ### Percentile question using normal distribution!?

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.3 days and a standard deviation of 2.1 days. The 90th percentile for recovery times is? a. 8.89 b. 7.07 c. 7.99 d. 4.32 I need some help with this question, I would prefer the steps how to do it over the answers so that I can understand it... show more
The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.3 days and a standard deviation of 2.1 days. The 90th percentile for recovery times is? a. 8.89 b. 7.07 c. 7.99 d. 4.32 I need some help with this question, I would prefer the steps how to do it over the answers so that I can understand it better. Thanks.
Mathematics · 4 months ago
• ### Normal deviation question!?

The length of time it takes to find a parking space at 9 A.M. follows a normal distribution with a mean of five minutes and a standard deviation of two minutes. Based upon the given information and numerically justified, would you be surprised if it took less than one minute to find a parking space? a. Yes b. No c. Unable to determine I need some... show more
The length of time it takes to find a parking space at 9 A.M. follows a normal distribution with a mean of five minutes and a standard deviation of two minutes. Based upon the given information and numerically justified, would you be surprised if it took less than one minute to find a parking space? a. Yes b. No c. Unable to determine I need some help with this question, I would prefer the steps how to do it over the answers so that I can understand it better. Thanks.
1 answer · Mathematics · 4 months ago
• ### I need some help with this statistics practice problem.?

A “friend” offers you the following “deal.” For a \$10 fee, you may pick an envelope from a box containing 100 seemingly identical envelopes. However, each envelope contains a coupon for a free gift. - Ten of the coupons are for a free gift worth \$6. - Eighty of the coupons are for a free gift worth \$8. - Six of the coupons are for a free gift worth... show more
A “friend” offers you the following “deal.” For a \$10 fee, you may pick an envelope from a box containing 100 seemingly identical envelopes. However, each envelope contains a coupon for a free gift. - Ten of the coupons are for a free gift worth \$6. - Eighty of the coupons are for a free gift worth \$8. - Six of the coupons are for a free gift worth \$12. - Four of the coupons are for a free gift worth \$40. Based upon the financial gain or loss over the long run, should you play the game? a. Yes, I expect to come out ahead in money. b. No, I expect to come out behind in money. c. It doesn’t matter. I expect to break even.
Mathematics · 5 months ago
• ### I need help with this percentile question!?

Calculate the percentile for the number 16 in the following list: 2, 3, 5, 7, 8, 8, 10, 12, 14, 16, 16, 17, 19, 20, 20 ***NOTE: I used the (x-0.5)y/n (100) calculation and I always end with 127 as my answer...I just need someone to confirm if I'm doing this correctly.
Calculate the percentile for the number 16 in the following list: 2, 3, 5, 7, 8, 8, 10, 12, 14, 16, 16, 17, 19, 20, 20 ***NOTE: I used the (x-0.5)y/n (100) calculation and I always end with 127 as my answer...I just need someone to confirm if I'm doing this correctly.
3 answers · Mathematics · 5 months ago
• ### I need some help with Statistics/Probability. Help!?

The population parameters below describe the full-time equivalent number of students (FTES) each year at Lake Tahoe Community College from 1976–1977 through 2004–2005. • μ = 1000 FTES • median = 1,014 FTES • σ = 474 FTES • first quartile = 528.5 FTES • third quartile = 1,447.5 FTES • n = 29 years A sample of 11 years is taken. About how many are... show more
The population parameters below describe the full-time equivalent number of students (FTES) each year at Lake Tahoe Community College from 1976–1977 through 2004–2005. • μ = 1000 FTES • median = 1,014 FTES • σ = 474 FTES • first quartile = 528.5 FTES • third quartile = 1,447.5 FTES • n = 29 years A sample of 11 years is taken. About how many are expected to have a FTES of 1014 or above? Explain how you determined your answer. ***NOTE: I don't quite get what I am supposed to do...so far I guess calculated the IQR which is 919 FTES. After that, I am lost.
1 answer · Mathematics · 5 months ago
• ### This or that boy names (Alphabet version)?

Andrew or Alexander Brandyn or Bryan Christian or Cane Dimitri or Derek Emerson or Ethan Flynn or Finn Garnet or Gabriel Hunter or Heath Ian or Ivan James or Jonathan Kristian or Kane Liam or Luke Michael or Maksim Nicholas or Nick Oliver or Onyx Parker or Paul Quinn or Quention Ryan or Ryker Samuel or Skylar Tanner or Tyler Uriah or Uri Valentin or... show more
Andrew or Alexander Brandyn or Bryan Christian or Cane Dimitri or Derek Emerson or Ethan Flynn or Finn Garnet or Gabriel Hunter or Heath Ian or Ivan James or Jonathan Kristian or Kane Liam or Luke Michael or Maksim Nicholas or Nick Oliver or Onyx Parker or Paul Quinn or Quention Ryan or Ryker Samuel or Skylar Tanner or Tyler Uriah or Uri Valentin or Victor William or Will Xander or Xavier Yvon or Yannick Zayn or Zachary
15 answers · Baby Names · 1 year ago
• ### This or that girl names. (Alphabet version)?

Alyson or Autumn Bella or Bailey Catherine or Charlotte Delia or Dimitria Elizabeth or Emerson Faith or Faye Grace or Gianna Hailey or Holly Ingrid or Isabella Julia or Julianna Katherine or Katie Lucy or Lily Matilda or Meredith Nina or Natalie Olivia or Oakley Presley or Paisley Quinn or Queenie Rosemary or Roxanne Summer or Samantha Tatum or... show more
Alyson or Autumn Bella or Bailey Catherine or Charlotte Delia or Dimitria Elizabeth or Emerson Faith or Faye Grace or Gianna Hailey or Holly Ingrid or Isabella Julia or Julianna Katherine or Katie Lucy or Lily Matilda or Meredith Nina or Natalie Olivia or Oakley Presley or Paisley Quinn or Queenie Rosemary or Roxanne Summer or Samantha Tatum or Theresa Ursula or Uma Veronica or Victoria Willow or Whitney Xara or Xandra Yuri or Yulia Zoey or Zara
14 answers · Baby Names · 1 year ago
• ### What's you favourite gem name from the list for a child?

Amethyst Ruby Emerald Opal Jade Amber Sapphire Crystal Jasper Pearl Topaz Jewel Ivory Diamond Garnet Onyx Zircon Alexandrite
Amethyst Ruby Emerald Opal Jade Amber Sapphire Crystal Jasper Pearl Topaz Jewel Ivory Diamond Garnet Onyx Zircon Alexandrite
21 answers · Baby Names · 2 years ago
• ### I need help comparing the two methods!?

What are the advantages and disadvantages of the SIM mode and the SCAN mode.
What are the advantages and disadvantages of the SIM mode and the SCAN mode.
1 answer · Chemistry · 2 years ago
• ### Opinions on cochlear implants?

Not many people have heard of or seen cochlear implants in person but I was wondering what your views/opinions are on cochlear implants. BQ: Are cochlear implants considered to be a controversial topic?
Not many people have heard of or seen cochlear implants in person but I was wondering what your views/opinions are on cochlear implants. BQ: Are cochlear implants considered to be a controversial topic?
1 answer · Polls & Surveys · 2 years ago
• ### I need help with this lab question!?

Explain how internal standard calibration methods can be used to compensate for injector variability in GC (gas chromatography) analysis. NOTE: I just guessed that it's because we are still able to get the correct concentration for the sample even though a serious problem was encountered in the sample injection process BUT I have a feeling... show more
Explain how internal standard calibration methods can be used to compensate for injector variability in GC (gas chromatography) analysis. NOTE: I just guessed that it's because we are still able to get the correct concentration for the sample even though a serious problem was encountered in the sample injection process BUT I have a feeling this is incorrect or something.
1 answer · Chemistry · 2 years ago
• ### Help! I suck at half-life questions!?

A 0.23 mg sample of pure Galliu,-68 has a half-life of 68 minutes and decays β+ emission. What will its activity be after exactly 3 hours?
A 0.23 mg sample of pure Galliu,-68 has a half-life of 68 minutes and decays β+ emission. What will its activity be after exactly 3 hours?
2 answers · Physics · 2 years ago
• ### I need help solving these physics questions!?

Consider a particle with a charge of of 1.3C. a) Find the electric potential at point A, located 1.5m north of the particle. b) Find the electric potential at point B, located 2.0 m above the particle. c) Would it require extra work to move an electron from point A to B or could the electron do work moving from point A to B? d) How much work... show more
Consider a particle with a charge of of 1.3C. a) Find the electric potential at point A, located 1.5m north of the particle. b) Find the electric potential at point B, located 2.0 m above the particle. c) Would it require extra work to move an electron from point A to B or could the electron do work moving from point A to B? d) How much work would be required or released moving an electron from point A to B? (Electric potential and work are scalars.) ***NOTE: For a) I got 7.7913x10^9 V and for b) I got 5.8435x10^9 V. I am having trouble with c) and d) since I am not quite sure how to start them. Thanks!
1 answer · Physics · 2 years ago
• ### Which girl name sounds the better with the middle name Elizabeth?

Katherine Elizabeth Julia Elizabeth Charlotte Elizabeth Ingrid Elizabeth
Katherine Elizabeth Julia Elizabeth Charlotte Elizabeth Ingrid Elizabeth
10 answers · Baby Names · 2 years ago
• ### Which spelling?

Katelyn or Kaitlin Julianna or Juliana Victoria or Viktoria Annabelle or Anabel Scarlette or Scarlett Bridget or Bridgette Chloe or Khloe Alyson or Alison Catherine or Katherine Elizabeth or Elisabeth Marcy or Marcie Lucy or Lucie Isabel or Isabelle Rosemary or Rosemarie Marley or Marlie Emerson or Emersyn Kim or Kym Maya or Maia May or Mae Juliet... show more
Katelyn or Kaitlin Julianna or Juliana Victoria or Viktoria Annabelle or Anabel Scarlette or Scarlett Bridget or Bridgette Chloe or Khloe Alyson or Alison Catherine or Katherine Elizabeth or Elisabeth Marcy or Marcie Lucy or Lucie Isabel or Isabelle Rosemary or Rosemarie Marley or Marlie Emerson or Emersyn Kim or Kym Maya or Maia May or Mae Juliet or Juliette Mackenzie or McKenzie Zoe or Zoey Whitney or Witney Elodie or Elody Veronica or Veronika Lissa or Lisa
21 answers · Baby Names · 2 years ago
• ### This or That? Boy names edition...Alphabet version!?

Andrew or Alexander Brandyn or Bryan Charlie or Carson Dimitri or Daniel Emerson or Ethan Flynn or Frank Gabriel or Garnet Heath or Hunter Ian or Isaac James or Jonathan Kristian or Kaden Liam or Luke Matthew or Michael Nicholas or Noah Owen or Oliver Preston or Paul Quinn or Quentin Ryan or Ricky Shawn or Shane Tanner or Tyler Uriah or... show more
Andrew or Alexander Brandyn or Bryan Charlie or Carson Dimitri or Daniel Emerson or Ethan Flynn or Frank Gabriel or Garnet Heath or Hunter Ian or Isaac James or Jonathan Kristian or Kaden Liam or Luke Matthew or Michael Nicholas or Noah Owen or Oliver Preston or Paul Quinn or Quentin Ryan or Ricky Shawn or Shane Tanner or Tyler Uriah or Usher Valentin or Victor William or Wesley Xander or Xavier Yvan or Yannick Zane or Zachary
24 answers · Baby Names · 2 years ago
• ### This or That? Girl names edition...Alphabet version!?

Alyson or Autumn Bailey or Beverly Charlotte or Cordelia Delia or Delilah Elizabeth or Elodie Faith or Faye Grace or Gianna Hailey or Hilary Ingrid or Isabella Julia or Jennifer Katherine or Katelyn Lia or Lily Matilda or Meredith Nina or Natalie Olivia or Ophelia Presley or Paisley Quinn or Qiana Rosemary or Rosalie Samantha or Summer Tatum or... show more
Alyson or Autumn Bailey or Beverly Charlotte or Cordelia Delia or Delilah Elizabeth or Elodie Faith or Faye Grace or Gianna Hailey or Hilary Ingrid or Isabella Julia or Jennifer Katherine or Katelyn Lia or Lily Matilda or Meredith Nina or Natalie Olivia or Ophelia Presley or Paisley Quinn or Qiana Rosemary or Rosalie Samantha or Summer Tatum or Talia Ursula or Ulani Veronica or Victoria Whitney or Willow Xandra or Xaria Yasmine or Yulia Zoe or Zara
30 answers · Baby Names · 2 years ago
• ### Honest Opinions on my Top 10 Boys List?

1. Dimitri 2. Emerson 3. Andrew 4. William 5. Maksim 6. Garnet 7. Gabriel 8. James 9. Valentin "Val" 10. Nicholas
1. Dimitri 2. Emerson 3. Andrew 4. William 5. Maksim 6. Garnet 7. Gabriel 8. James 9. Valentin "Val" 10. Nicholas
16 answers · Baby Names · 3 years ago
• ### Honest Opinions on my Top 10 Girls List?

1. Julia 2. Ingrid 3. Elizabeth 4. Katherine 5. Charlotte 6. Isabella 7. Alyson 8. Summer 9. Autumn 10. Nina
1. Julia 2. Ingrid 3. Elizabeth 4. Katherine 5. Charlotte 6. Isabella 7. Alyson 8. Summer 9. Autumn 10. Nina
18 answers · Baby Names · 3 years ago
• ### Biology questions! Exam Help!?

1. Describe on a molecular level why some colonies appear white and others blue? 2. How is blue white screening an advantage when cloning? NOTE: I think that for the first question, it has something to do with the X-gal being present as well as the insert/foreign DNA and DH5α.
1. Describe on a molecular level why some colonies appear white and others blue? 2. How is blue white screening an advantage when cloning? NOTE: I think that for the first question, it has something to do with the X-gal being present as well as the insert/foreign DNA and DH5α.
1 answer · Biology · 3 years ago