CNNBC recently reported that the mean annual cost of auto insurance is 968 dollars. Assume the standarddeviation is 259 dollars, and the cost is normally distributed. You take a simple random sample of 36 autoinsurance policies. Round your answers to 4 decimal places.a. What is the distribution of X? X - N(b. What is the distribution of I? I - N(c. What is the probability that one randomly selected auto insurance is less than $1015?d. a simple random sample of 36 auto insurance policies, find the probability that the average cost isless than $1015.e. For part d), is the assumption of normal necessary? O YesO No

Let X denotes the annual cost of auto insurance. Given that mean = 968 and SD = 259 Sample size n =…

Answered: a. 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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a. What is the distribution of X? X - N( b. What is the distribution of ? T - N( c. What is the probability that one randomly selected auto insurance is less than $1015?