subject
Mathematics, 13.03.2020 17:26 djcloverman1905

A 95% confidence interval for the average salary of all CEOs in the electronics industry wasconstructed using the results of a random survey of 45 CEOs. The interval was ($97,911, $110,014).To make more useful inferences from the data, it is desired to reduce the width of the confidenceinterval.

Which of the following will result in a reduced interval width?3

A) Increase the sample size and increase the confidence level.

B) Decrease the sample size and increase the confidence level.

C) Decrease the sample size and decrease the confidence level.

D) Increase the sample size and decrease the confidence level

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 18:00, milagrosee12
Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.
Answers: 3
image
Mathematics, 21.06.2019 23:20, coralstoner6793
This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3
Answers: 1
image
Mathematics, 22.06.2019 01:30, jediDR
The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4? r^2. write your answer in scientific notation.
Answers: 3
image
Mathematics, 22.06.2019 02:00, swhorton6
Aladder that is 20 ft. long against the side of a building. f the angle formed between the ladder and the ground is 75 degrees, how far is the bottom of the ladder from the base of the building?
Answers: 3
You know the right answer?
A 95% confidence interval for the average salary of all CEOs in the electronics industry wasconstruc...

Questions in other subjects: