subject
Mathematics, 21.09.2019 20:10 joshuaburge13

Suppose that a customer service center claims that the telephone calls it recieves last 113 seconds on average, with a standard deviation of 9 seconds. if you took a sample of 324 phone calls, which of the following mean times would be within the 95% confidence interval?
a. 116.5 seconds
b. 114.5 seconds
c. 113.5 seconds
d. 115.5 seconds

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 17:30, leapfroggiez
Enter the missing numbers in the boxes to complete the table of equivalent ratios. time (min) distance (km)? 36 9? 1512 ?
Answers: 3
image
Mathematics, 21.06.2019 22:00, breannaasmith1122
Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?
Answers: 1
image
Mathematics, 21.06.2019 22:00, arrissa1234hinkle
Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.
Answers: 1
image
Mathematics, 22.06.2019 01:30, icee13
One of the solutions to x2 - 2x – 15 = 0 is x = -3. what is the other solution? ox=-5 ox= -1 0 x=1 x = 5
Answers: 2
You know the right answer?
Suppose that a customer service center claims that the telephone calls it recieves last 113 seconds...

Questions in other subjects:

Konu
Biology, 11.03.2020 22:52
Konu
Biology, 11.03.2020 22:52