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
Answers: 2
Mathematics, 21.06.2019 17:00, jenn8055
Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.
Answers: 1
Mathematics, 21.06.2019 20:30, Cheyenne8694
Stacey filled her 1/2 cup of measuring cup seven times to have enough flour for a cake recipe how much flour does the cake recipe calls for
Answers: 2
A 95% confidence interval for the average salary of all CEOs in the electronics industry wasconstruc...
Mathematics, 03.10.2019 05:10
Mathematics, 03.10.2019 05:10
Mathematics, 03.10.2019 05:10