Mathematics, 28.05.2020 10:57 ghari112345
A final exam in Math 160 has a mean of 73 with standard deviation 7.8. If 24 students are randomly selected, find the probability that the mean of their test scores is greater than 71
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 14:00
Bob’s bank charges him a $3.15 service fee every time he uses an out-of-network atm. if bob uses an out-of-network atm an average of three times every two weeks, how much will he pay in service fees over the course of a year? a. $327.60 b. $109.20 c. $491.40 d. $245.70 select the best answer from the choices provided a b c d
Answers: 1
Mathematics, 21.06.2019 19:30
Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left
Answers: 1
Mathematics, 21.06.2019 21:00
When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?
Answers: 1
Mathematics, 21.06.2019 22:50
Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables
Answers: 3
You know the right answer?
A final exam in Math 160 has a mean of 73 with standard deviation 7.8. If 24 students are randomly s...
Questions
Mathematics, 11.02.2021 16:50
Mathematics, 11.02.2021 16:50
Mathematics, 11.02.2021 16:50
History, 11.02.2021 16:50
Mathematics, 11.02.2021 16:50
Mathematics, 11.02.2021 16:50
Mathematics, 11.02.2021 16:50
Geography, 11.02.2021 16:50
Geography, 11.02.2021 16:50
