In computing the standard error of the mean, the finite ...

[cmoore54]

In computing the standard error of the mean, the finite population correction factor is NOT used when _____.
 a. n/N > 0.05
  b. N/n  0.05
  c. n/N  0.05
  d. n  30

Question 2

In a large university, 75 of students live in the dormitories. A random sample of 5 students is selected.
 a. Define the random variable in words for this experiment.
  b. What is the probability that the sample contains exactly 3 students who live in the dormitories?
  c. What is the probability that the sample contains no students who live in the dormitories?
  d. What is the probability that the sample contains more than 3 students who do not live in the dormitories?
  e. What is the expected number of students (in the sample) who do not live in the dormitories?

[zoeyesther]

Answer to Question 1

c

Answer to Question 2

a. x = the number of students out of 5 who live in the dormitories or
y = the number of students out of 5 who do not live in the dormitories
b. .2637
c. .001
d. .0156
e. 1.25