The average time to run the 5K fun run is 20 minutes and the standard deviation is 2.4 minutes. 41 runners arerandomly selected to run the 5K fun run. Round all answers to 4 decimal places where possible and assume anormal distribution.a. What is the distribution of X? X - N(b. What is the distribution of ? - N(C.c. What is the distribution of x? x - N(d. If one randomly selected runner is timed, find the probability that this runner's time will be between19.5378 and 20.0378 minutes.e. For the 41 runners, find the probability that their average time is between 19.5378 and 20.0378minutes.f. Find the probability that the randomly selected 41 person team will have a total time more than 795.4.g. For part e) and f), is the assumption of normal necessary? O No Yesh. The top 20% of all 41 person team relay races will compete in the championship round. These are the20% lowest times. What is the longest total time that a relay team can have and still make it to thechampionship round?minutesHint:Some Helpful Videos:• Finding the Sampling Distribution [+]Finding a Probability Using the Central Limit Theorem [+]• Finding Value Given a Probability Using the Central Limit Theorem [+]• The Central Limit Theorem For Sums [+]Hint 2Submit Question

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The average time to run the 5K fun run is 20 minutes and the standard deviation is 2.4 minutes. 41 runners are randomly selected to run the 5K fun run. Round all answers to 4 decimal places where possible and assume a normal distribution. a. What is the distribution of X? X - N b. What is the distribution of a? a - N( c. What is the distribution of ) x? ) x -

The average time to run the 5K fun run is 20 minutes and the standard deviation is 2.4 minutes. 41 runners are randomly selected to run the 5K fun run. Round all answers to 4 decimal places where possible and assume a normal distribution. a. What is the distribution of X? X - N b. What is the distribution of a? a - N( c. What is the distribution of ) x? ) x -

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Assume that a randomly selected subject is given a bone density test. Bone density test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find P, the 11th percentile. This is the bone density score separating the bottom 11% from the top 89%. Which graph represents P ? Choose the correct graph below. O A. O B. OD. P11 P11 P11 P11 The bone density score corresponding to P1 is (Round to two decimal places as needed.) Click to select your answer(s). APR tv MacBook Air F9 F10 LLA 20 F3 F6 F8 F4 F5 F1 F2 & #3 7 8. %24
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The average time to run the 5K fun run is 20 minutes and the standard deviation is 2.4 minutes. 41 runners are randomly selected to run the 5K fun run. Round all answers to 4 decimal places where possible and assume a normal distribution. a. What is the distribution of X? X- N( b. What is the distribution of a? - N( c. What is the distribution of æ? x - N( d. If one randomly selected runner is timed, find the probability that this runner's time will be between 19.5378 and 20.0378 minutes. e. For the 41 runners, find the probability that their average time is between 19.5378 and 20.0378 minutes. f. Find the probability that the randomly selected 41 person team will have a total time more than 795.4. g. For part e) and f), is the assumption of normal necessary? O No Yes h. The top 20% of all 41 person team relay races will compete in the championship round. These are the 20% lowest times. What is the longest total time that a relay team can have and still make it to the championship…
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please show steps for C. D. & E. thank you.
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What is the standard deviation of the distribution? A. 3.54 B. 3.98 C. 4.12 D. 5.05
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