1. Consider a binomial experiment with n = 9 trials where the probability of success on a single trial is p = 0.35. (For each answer, enter a number. Round your answers to three decimal places.)

(a)Find P(r = 0). (b)Find P(r 1) by using the complement rule.

2. 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 eight 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 six of them dislike their mother-in-law. (d)No more than five of them dislike their mother-in-law.

3. Suppose approximately 75% of all marketing personnel are extroverts, whereas about 60% of all computer programmers are introverts. (For each answer, enter a number. Round your answers to three decimal places.)(a)At a meeting of 15 marketing personnel, what is the probability that 10 or more are extroverts? What is the probability that 5 or more are extroverts? What is the probability that all are extroverts? (b)In a group of 5 computer programmers, what is the probability that none are introverts? What is the probability that 3 or more are introverts? What is the probability that all are introverts?