SOLUTION: At a college, 6 out of 8 students are sophomores. If 9 students are surveyed, find a) the mean b) the variance c)the standard deviation d) the probability that exactly 3 of the 9 a
Algebra ->
Probability-and-statistics
-> SOLUTION: At a college, 6 out of 8 students are sophomores. If 9 students are surveyed, find a) the mean b) the variance c)the standard deviation d) the probability that exactly 3 of the 9 a
Log On
Question 300252: At a college, 6 out of 8 students are sophomores. If 9 students are surveyed, find a) the mean b) the variance c)the standard deviation d) the probability that exactly 3 of the 9 are sophomores e) the probability that at most 3 are sophomores f) the probability that at least 5 are sophomores?
I am very pressed for time I have to hand in my assignment today at 2pm can someone please help me out? i really appreciate it. Answer by richwmiller(17219) (Show Source):