19. Battery-life of a new line of toys can be modelled using a normal distribution, with a mean of 17.3 hours, and a standard deviation of 2.2 hours. 20. (Follow-on from Q19)Suppose now a sample of 9 toys is chosen. What is the probability that the sample mean is less than 16 hours?O 0.0350.0360.0370.0380.039

Answered: Image /qna-images/answer/9b708bf1-93a5-4c4c-8632-9ec241d40496.jpg

Answered: 20. (Follow-on from Q19) Suppose now a…

20. (Follow-on from Q19) Suppose now a sample of 9 toys is chosen. What is the probability that the sample mean is less than 16 hours? O 0.035 0.036 0.037 0.038 0.039

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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Question

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19. Battery-life of a new line of toys can be modelled using a normal distribution, with a mean of 17.3 hours, and a standard deviation of 2.2 hours.

20. (Follow-on from Q19)
Suppose now a sample of 9 toys is chosen. What is the probability that the sample mean is less than 16 hours?
O 0.035
0.036
0.037
0.038
0.039

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