(1) Consider the probability distribution shown below.

x	0	1	2
P(x)	0.75	0.20	0.05

Compute the expected value of the distribution. (Enter a number.) Compute the standard deviation of the distribution. (Enter a number. Round your answer to four decimal places.)

(1a) Sociologists say that 90% of married women claim that their husband's mother is the biggest bone of contention in their marriages (sex and money are lower-rated areas of contention). Suppose that twelve married women are having coffee together one morning. Find the following probabilities. (For each answer, enter a number. Round your answers to three decimal places.)(a)All of them dislike their mother-in-law. (b)None of them dislike their mother-in-law. (c)At least ten of them dislike their mother-in-law. (d)No more than nine of them dislike their mother-in-law.