Solve question 1 last part b where the question states...Probability that the total amount of time required to make an oil change in all cars from the sample of 100 cars is more than 3500 minutes is________ The mean amount of time to get an oil change in a car at a certain car dealership is 35. 6minutes with a standard deviation of 7.5 minutes. A random sample of 100 cars booked foran oil change at a car dealership during last week is selected by a manager.a. Find probability that the average amount of time required to make an oil change in the sampleof 100 cars is less than 37 minutesb. Find probability that the total amount of time required to make an oil change in all cars fromthe sample of 100 cars is more than 3500 minutes.Keep four digits after decimal point in the answers a. and b.Assuming that X is the amount of time required to make an oil change in a car, show yourwork in finding probabilities in a. and b.a. Probability that the average amount of time required to make an oil change in the sample of100 cars is less than 37 minutes isb. Probability that the total amount of time required to make an oil change in all cars from thesample of 100 cars is more than 3500 minutes is_

It is given asMean = 35.6Standard deviation = 7.5Sample size = 100

Answered: b. Find probability that the total…

b. Find probability that the total amount of time required to make an oil change in all cars from the sample of 100 cars is more than 3500 minutes.

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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Question

Solve question 1 last part b where the question states...

Probability that the total amount of time required to make an oil change in all cars from the sample of 100 cars is more than 3500 minutes is________

The mean amount of time to get an oil change in a car at a certain car dealership is 35. 6
minutes with a standard deviation of 7.5 minutes. A random sample of 100 cars booked for
an oil change at a car dealership during last week is selected by a manager.
a. Find probability that the average amount of time required to make an oil change in the sample
of 100 cars is less than 37 minutes
b. Find probability that the total amount of time required to make an oil change in all cars from
the sample of 100 cars is more than 3500 minutes.
Keep four digits after decimal point in the answers a. and b.
Assuming that X is the amount of time required to make an oil change in a car, show your
work in finding probabilities in a. and b.
a. Probability that the average amount of time required to make an oil change in the sample of
100 cars is less than 37 minutes is
b. Probability that the total amount of time required to make an oil change in all cars from the
sample of 100 cars is more than 3500 minutes is_

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