Find the mean and standard deviation for each of the following binomial random variables in parts a–c:
a. The number of sixes seen in 50 rolls of a die
b. The number of defective televisions in a shipment of 125 (The manufacturer claimed that 98% of the sets were operative.)
c. The number of operative televisions in a shipment of 125 (The manufacturer claimed that 98% of the sets were operative.)
d. How are parts b and c related? Explain.