subject
Mathematics, 24.04.2020 16:03 raewalker23p4ibhy

A financial institution wishes to estimate the mean balances owed by its credit card customers. The population standard deviation is $300. If a 99 percent confidence interval is used and an interval of ± $75 is desired, how many cardholders should be sampled?
a. 3382
b. 629
c. 87
d. 107

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 20.06.2019 18:04
Passengers usually start to board their flights 1 hour before the scheduled take off time. the gate will be closed 15 minutes before the takeoff time. jack’s plane is scheduled to take off at 12: 05 a.m. if he arrives at the gate at 11: 45 p.m., can he board the flight?
Answers: 1
question
Mathematics, 21.06.2019 16:30
Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²
Answers: 3
question
Mathematics, 21.06.2019 20:30
Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points
Answers: 1
question
Mathematics, 22.06.2019 00:30
If the perimeter of the square equals the perimeter of the regular pentagon. each side of a pentagon is 16cm long. how long is each side of the square?
Answers: 3
You know the right answer?
A financial institution wishes to estimate the mean balances owed by its credit card customers. The...
Questions
question
Advanced Placement (AP), 04.03.2021 20:30
question
Chemistry, 04.03.2021 20:30