In: Statistics and Probability
In a large university, 20% of the students are male. If a random sample of twenty two students is selected
a. |
What is the probability that the sample contains exactly twelve male students? |
b. |
What is the probability that the sample will contain no male students? |
c. |
What is the probability that the sample will contain exactly twenty female students? |
d. |
What is the probability that the sample will contain more than nine male students? |
e. |
What is the probability that the sample will contain fewer than ten male students? |
f. |
What is the expected number of male students? |