Mathematics, 29.07.2021 20:10 dancekb2
A smart phone manufacturer is interested in constructing a 99% confidence interval for the proportion of smart phones that break before the warranty expires. 85 of the 1555 randomly selected smart phones broke before the warranty expired. Round answers to 4 decimal places where possible.
a. With 99% confidence the proportion of all smart phones that break before the warranty expires is between and .
b. If many groups of 1555 randomly selected smart phones are selected, then a different confidence interval would be produced for each group. About percent of these confidence intervals will contain the true population proportion of all smart phones that break before the warranty expires and about percent will not contain the true population proportion.
Answers: 1
Mathematics, 21.06.2019 17:00
This figure consists of a rectangle and semicircle. what is the perimeter of this figure use 3.14 for pi 60.84m 72.84m 79.68m 98.52m
Answers: 2
Mathematics, 21.06.2019 17:00
Write an algebraic expression for the word expression the quotient of c and 8
Answers: 1
A smart phone manufacturer is interested in constructing a 99% confidence interval for the proportio...
English, 22.09.2019 00:00
English, 22.09.2019 00:00
Chemistry, 22.09.2019 00:00
Mathematics, 22.09.2019 00:00
Mathematics, 22.09.2019 00:00
Physics, 22.09.2019 00:00