The average number of miles (in thousands) that a car's tire will function before needing replacement is 73and the standard deviation is 20. Suppose that 17 randomly selected tires are tested. Round all answers to 4decimal places where possible and assume a normal distribution.a. What is the distribution of X? X N(b. What is the distribution of ? - N(c. If a randomly selected individual tire is tested, find the probability that the number of miles (inthousands) before it will need replacement is between 67 and 70.d. For the 17 tires tested, find the probability that the average miles (in thousands) before need ofreplacement is between 67 and 70.e. For part d), is the assumption that the distribution is normal necessary? O Yes NoQuestion Help: Written Example Message instructorSubmit QuestionJump to Answer1344.417APRtv17

here as per guidelines i have calculated 3 subparts kindly repost with note i need only this this…

Answered: Ble and assume a normal distribution.…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Ble and assume a normal distribution. a. What is the distribution of X? X N( b. What is the distribution of ? - N( c. If a randomly selected individual tire is tested, find the probability that the number of miles (in thousands) before it will need replacement is between 67 and 70.