If a town of 7000 people has 4000 females in it, then the probability of randomly selecting 6 females in six draws (with replacement) equals _________.
a. 0.0348 c. 0.5714
b. 0.0571 d. 0.3429
Question 2
A certain university maintains a colony of male mice for research purposes. The ages of the mice are normally distributed with a mean of 60 days and a standard deviation of 5.2 . Assume you randomly sample one mouse from the colony. The probability his age will be greater than 68 is _________.
a. 0.4382 c. 0.9382
b. 0.0618 d. 0.0630