Mathematics, 02.04.2021 16:50, Svetakotok
When Arnold makes a phone call, the amount of time that the call takes has a normal distribution with mean 6.5 minutes and standard deviation 1.76 minutes. a. 90% of Arnold's phone calls take longer than t minutes. Find the value of t. b. Find the probability that, in a random sample of 9 phone calls made by Arnold, more than 7 take a time which is within 1 standard deviation of the mean.
Answers: 1
Mathematics, 21.06.2019 16:30, VgCarlos2596
What are “like terms”? why can we only add like terms?
Answers: 1
Mathematics, 21.06.2019 20:00, danielburke24
How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5
Answers: 2
When Arnold makes a phone call, the amount of time that the call takes has a normal distribution wit...
French, 04.04.2021 20:10
History, 04.04.2021 20:10
Social Studies, 04.04.2021 20:10
Chemistry, 04.04.2021 20:10
Biology, 04.04.2021 20:10