Business, 03.08.2021 04:00 minosmora01

A simple random sample of size n is drawn from a population that is known to be normally distributed. The sample variance, s squareds2, is determined to be 11.611.6. Complete parts (a) through (c). (a) Construct a 90% confidence interval for sigma squaredσ2 if the sample size, n, is 20. The lower bound is 7.317.31. (Round to two decimal places as needed.) The upper bound is 21.7921.79. (Round to two decimal places as needed.) (b) Construct a 90% confidence interval for sigma squaredσ2 if the sample size, n, is 30. The lower bound is 7.907.90. (Round to two decimal places as needed.) The upper bound is 1919. (Round to two decimal places as needed.) How does increasing the sample size affect the width of the interval? The width does not change The width increases The width decreases

Answers: 2

Show answers

Another question on Business

Business, 22.06.2019 21:00

Kendra knight took part in a friendly game of touch football. she had played before and was familiar with football. michael jewett was on her team. in the course of play, michael bumped into kendra and knocked her to the ground. he stepped on her hand, causing injury to a little finger that later required its amputation. she sued michael for damages. he defended on the ground that she had assumed the risk. kendra claimed that assumption of risk could not be raised as a defense because the state legislature had adopted the standard of comparative negligence. what happens if contributory negligence applies? what happens if the defense of comparative negligence applies?

Answers: 2

Answer

Business, 23.06.2019 00:00

How did the change in textile production affect employment in spinning and weaving for adults and children?

Answers: 1

Answer

Business, 23.06.2019 02:40

Telecom co. enters into a two-year contract with a customer to provide wireless service (voice and data) for $40 per month. to induce customers, telecom co. provides a free phone. telecom co. normally sells the phone on a stand-alone basis for $200. telecom co. also charges the customer a one-time activation fee of $35.which of the following is true? a) there are two distinct performance obligations: the voice service and the data service b) the free phone constitutes as a marketing expense c) the activation fee is a separate performance obligationd) there are two distinct performance obligations: the wireless services and the phone

Answers: 2

Answer

Business, 23.06.2019 12:00

The "ideal" business, according to richard buskirk of the university of southern california: has many diverse employees.has a few, carefully selected employees.has many homogeneous employees.is a "one-man show".

Answers: 1

Answer

You know the right answer?

A simple random sample of size n is drawn from a population that is known to be normally distributed...

Questions