Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Of a company's mailings 0.32% are returned because of incorrect or incomplete addresses. In a mailing of 115 pieces, find the probability that none will

image text in transcribed
Of a company's mailings 0.32% are returned because of incorrect or incomplete addresses. In a mailing of 115 pieces, find the probability that none will be returned. Only the final answer should be rounded-off to FOUR decimal places. The average breaking strength of a certain brand of steel cable is 2213 pounds, with a standard deviation of 138 pounds. A sample of 41 cables is selected and tested. Find the sample mean that will cut off the upper 95% of all samples of size 41 taken from the population. Assume the variable is normally distributed. Only the final answer should be roundedoff to TWO decimal places. The area under the standard normal curve to the left of z=-O.75 is . Only the final answer should be rounded-off to TWO decimal places. License plates are to be issued with 3 letters of the English alphabet followed by 4 single digits. If the plates are issued at random. then the probability that the license plate says ILY followed by a 4-digit number that is divisible by Sis . Only the final answer should be rounded-off to FIVE decimal places

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Elementary Differential Equations And Boundary Value Problems

Authors: William E Boyce, Richard C DiPrima

8th Edition

0470476389, 9780470476383

More Books

Students also viewed these Mathematics questions