Mathematics, 24.11.2020 09:40 mocjau
Help Me!!
Students in Mrs. Barnes’s class determined the probability that she will check homework on a randomly chosen day is 0.8. They also determined the probability that she will give a pop quiz when she checks homework is 0.6, and the probability that she will give a pop quiz when she does not check homework is 0.9. What is the probability that the students will have their homework checked and take a pop quiz on a randomly chosen day?
0.48
0.54
0.72
0.80
Answers: 1
Mathematics, 21.06.2019 22:10, carsondelane13
Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.
Answers: 2
Mathematics, 22.06.2019 01:00, sebastiantroysmith
What is the slope of the line? a. -5/2 b.2/5 c. 5/2 d.7/2
Answers: 1
Help Me!!
Students in Mrs. Barnes’s class determined the probability that she will check homework o...
Chemistry, 31.07.2020 21:01
Chemistry, 31.07.2020 21:01