Suppose that a company manufactures a tire with a lifetime that approximately follows a normal distribution with mean 70,000 miles and standard deviation 4400 miles. Completeparts (a) through (d) below.Click here to view page 1 of the standard normaution table. Click here to view page 2 of the standard normal distribution table Suppose that a company manufactures a tire with a lifetime that approximately follows a normal distribution with mean 70,000 miles and standard deviation 4400 miles. Completeparts (a) through (d) below.Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table.(a) What proportion of the tires will last at least 75,000 miles?(Round to four decimal places as needed.).(b) Suppose that the company warrants the tires for 60,000 miles. What proportion of the tires will last 60,000 miles or less?(Round to four decimal places as needed.)(c) What is the probability that a randomly selected tire manufactured by this company lasts between 65,000 and 80,000 miles?(Round to four decimal places as needed.)(d) Suppose that the company wants to warrant no more than 2% of its tires. What mileage should the company advertise as its warranty mileage?The company should advertise miles as its warranty mileage.(Round to the nearest whole number as needed.)O8:4064°F CloudyNext4:33 PM11/8/2022

Here, mean is 70000 standard deviation is 4400. We will use z standard normal distribution.…

Answered: Suppose that a company manufactures a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Question

Suppose that a company manufactures a tire with a lifetime that approximately follows a normal distribution with mean 70,000 miles and standard deviation 4400 miles. Complete parts (a) through (d) below. Click here to view page 1 of the standard norma ution table. Click here to view page 2 of the standard normal distribution table

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

Expert Solution