A tire manufacturer warranties its tires to last at least Q5 20189 miles or "you get a new set of tires." In its experience, a set of these tires lasts on average 26189 miles with standard deviation 5054 miles. Assume that the wear is normally distributed. The manufacturer profits Rs. 200 on each set sold, and replacing a set costs the manufacturer Rs. 400. a) What is the probability that a set of tires wears out before 20189 miles? b) What is the probability that a set of tires wears out before c) What is the cutoff value in terms of miles of the top 24189 miles and after 20189 miles? 27% wearing out tires.

A tire manufacturer warranties its tires to last at least Q5 20189 miles or "you get a new set of tires." In its experience, a set of these tires lasts on average 26189 miles with standard deviation 5054 miles. Assume that the wear is normally distributed. The manufacturer profits Rs. 200 on each set sold, and replacing a set costs the manufacturer Rs. 400. a) What is the probability that a set of tires wears out before 20189 miles? b) What is the probability that a set of tires wears out before c) What is the cutoff value in terms of miles of the top 24189 miles and after 20189 miles? 27% wearing out tires.

Name: Q5A tire manufacturer warranties its tires to last at least20189 mile
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Description: Q5A tire manufacturer warranties its tires to last at least20189 miles or "you get a new set of tires."In its experience, a set of these tires lasts on average26189 miles with standard deviation5054 miles.Assume that the wear is normally distributed

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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Concept explainers

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

Topic Video

Question

Q5
A tire manufacturer warranties its tires to last at least
20189 miles or "you get a new set of tires."
In its experience, a set of these tires lasts on average
26189 miles with standard deviation
5054 miles.
Assume that the wear is normally distributed. The manufacturer profits Rs. 200 on each set sold, and
replacing a set costs the manufacturer Rs. 400.
a) What is the probability that a set of tires wears out before
20189 miles?
b) What is the probability that a set of tires wears out before
24189 miles and after
20189 miles?
c) What is the cutoff value in terms of miles of the top
27% wearing out tires.

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