Assume that the finishing times in a New York City 10-kilometer road race are normally distributed with a mean of 62 minutes and a standard deviation of 7 minutes. Let X be a randomly selected finishing time. a. What percent of finish times was higher than 72 minutes? (Give your answers rounded to two decimal places) [Input Box] b. What percent of finish times was between 52 and 70 minutes? (Give your answers rounded to two decimal places) [Input Box] c. What is the 40th percentile finish time? (Round your answer to nearest tenth) [Input Box] d. What is the 95th percentile finish time? (Round your answer to nearest tenth) [Input Box] [Submit Question Button]
Assume that the finishing times in a New York City 10-kilometer road race are normally distributed with a mean of 62 minutes and a standard deviation of 7 minutes. Let X be a randomly selected finishing time. a. What percent of finish times was higher than 72 minutes? (Give your answers rounded to two decimal places) [Input Box] b. What percent of finish times was between 52 and 70 minutes? (Give your answers rounded to two decimal places) [Input Box] c. What is the 40th percentile finish time? (Round your answer to nearest tenth) [Input Box] d. What is the 95th percentile finish time? (Round your answer to nearest tenth) [Input Box] [Submit Question Button]
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 the finishing times in a New York City 10-kilometer road race are normally distributed with a mean of 62 minutes and a standard deviation of 7 minutes. Let X be a randomly selected finishing time.
a. What percent of finish times was higher than 72 minutes? (Give your answers rounded to two decimal places)
[Input Box]
b. What percent of finish times was between 52 and 70 minutes? (Give your answers rounded to two decimal places)
[Input Box]
c. What is the 40th percentile finish time? (Round your answer to nearest tenth)
[Input Box]
d. What is the 95th percentile finish time? (Round your answer to nearest tenth)
[Input Box]
[Submit Question Button]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F782a469a-7766-49bc-9cc2-83eb7aa33c12%2F19949b46-5ed9-4093-b176-8be0f58e2e03%2Fwa96fc.jpeg&w=3840&q=75)
Transcribed Image Text:Assume that the finishing times in a New York City 10-kilometer road race are normally distributed with a mean of 62 minutes and a standard deviation of 7 minutes. Let X be a randomly selected finishing time.
a. What percent of finish times was higher than 72 minutes? (Give your answers rounded to two decimal places)
[Input Box]
b. What percent of finish times was between 52 and 70 minutes? (Give your answers rounded to two decimal places)
[Input Box]
c. What is the 40th percentile finish time? (Round your answer to nearest tenth)
[Input Box]
d. What is the 95th percentile finish time? (Round your answer to nearest tenth)
[Input Box]
[Submit Question Button]
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