1. Given the following probabilities, compute all joint probabilities (to 2 decimals).
| P(A) = .9 |
P(AC) = .1 |
| P(B | A) = .4 |
P(B | AC) = .7 |
P (A and Bc) =
P (Ac and Bc) =
2. The leading brand of dishwasher detergent has a 30% market share. A sample of 25 dishwasher detergent customers was taken. What is the probability that 10 or fewer customers chose the leading brand? Please give the answer to four decimal places.