Sociologists say that 80% of married women claim that their husband's mother is the biggest bone of contention in their marriages. Suppose that seven married women are having coffee together one morning. Find the following probabilities.(round answers to three decimal places.)

(a)

All of them dislike their mother-in-law.

1

(b)

None of them dislike their mother-in-law.

2

(c)

At least five of them dislike their mother-in-law.

3

(d)

No more than four of them dislike their mother-in-law.