CNNBC recently reported that the mean annual cost of auto insurance is 1017 dollars. Assume the standarddeviation is 249 dollars, and the cost is normally distributed. You take a simple random sample of 37 autoinsurance policies. Round your answers to 4 decimal places.a. What is the distribution of X? X - N(b. What is the distribution of a? ¤ - N(c. What is the probability that one randomly selected auto insurance is less than $997?d. a simple random sample of 37 auto insurance policies, find the probability that the average cost isless than $997.

Given data,Mean μ=1017Sd σ=249n=37

Answered: C recently reported that the mean…

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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