Question 1CNNBC recently reported that the mean annual cost of auto insurance is 992 dollars. Assume thestandard deviation is 218 dollars, and the cost is normally distributed. You take a simple randomsample of 40 auto insurance policies. Round your answers to 4 decimal places.a. What is the distribution of X? X - N(b. What is the distribution of ? E - N(c. What is the probability that one randomly selected auto insurance is more than $1008?d. a simple random sample of 40 auto insurance policies, find the probability that the averagecost is more than $1008,e. For part d), is the assumption of normal necessary? O NoO YesSubmit QuestionQuestion 2The sampling distribution of a statistic is (select the best answer):А:sampling was effective.B:standardizing.The mechanism that determines whether the randomA normal curve, for which probabilities are obtained byC:to be randomly sampled.D:samples of the same size, from the same population.E:single random sample, from the same population.A distribution of all parameters from the population that isA distribution of a single statistic from repeated randomA distribution of all possible summary statistics from aO Choice AO Choice BO Choice CO Choice DO Choice E

As per our guidelines we are suppose to do only one question1)GivenMean(μ)=992standard…

CNNBC recently reported that the mean annual cost of auto insurance is 992 dollars. Assume the standard deviation is 218 dollars, and the cost is normally distributed. You take a simple random sample of 40 auto insurance policies. Round your answers to 4 decimal places. a. What is the distribution of X?X- N b. What is the distribution of ? i - N c. What is the probability that one randomly selected auto insurance is more than $1008? d. a simple random sample of 40 auto insurance policies, find the probability that the average cost is more than $1008. e. For part d), is the assumption of normal necessary? O NoO Yes

CNNBC recently reported that the mean annual cost of auto insurance is 992 dollars. Assume the standard deviation is 218 dollars, and the cost is normally distributed. You take a simple random sample of 40 auto insurance policies. Round your answers to 4 decimal places. a. What is the distribution of X?X- N b. What is the distribution of ? i - N c. What is the probability that one randomly selected auto insurance is more than $1008? d. a simple random sample of 40 auto insurance policies, find the probability that the average cost is more than $1008. e. For part d), is the assumption of normal necessary? O NoO Yes

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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