Question 11 ptsThe times of runners passing a finishing line is normally distributed, with anaverage time of 60 seconds and a standard deviation of 15 seconds. What is theprobability that the next runner takes less than 40 seconds?All of these answers are wrongO 0.090.50.

Answered: Image /qna-images/answer/5f1e8d8b-1340-4a58-a6af-c2c2dc58864b.jpg

Answered: The times of runners passing a…

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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A rugby team from the country of Atlantis is formed by randomly drawing from its population. The population distribution is normally distributed with a mean of 165 cm and a standard deviation of 10 cm. The team draws 26 people for the team. What is the probability that the sample mean is less than 163? Give your answer to four decimal places.
A certain brand of car tends to break down on average after 115,000miles with a standard deviation of 4800 miles. If 36 cars of this brand are sampled,find the probability that their average breakdown mileage is less than 113,500miles. a. 0.0301 b. 0.3783 c. 0.6217 d. 0.9699
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The times of runners passing a finishing line is nołmally distributed, with an average time of 60 seconds and a standard deviation of 15 seconds. What is the probability that the next runner takes less than 40 seconds? All of these answers are wrong O 0.09 O 0.5