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Question: Marital status. The probability that a randomly chosen 50-yearold woman is divorced is about 0.18. This probability is a long-run proportion based on all the millions of women aged 50. Let's suppose that the proportion stays at 0.18 for the next 30 years. Bridget is now 20 years old and is not married.
(a) Bridget thinks her own chances of being divorced at age 50 are about 5%. Explain why this is a personal probability.
(b) Give some good reasons why Bridget's personal probability might differ from the proportion of all women aged 50 who are divorced.
(c) You are a government official charged with looking into the impact of the Social Security system on middle-aged divorced women. You care only about the probability 0.18, not about anyone's personal probability. Why?
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A consulting group believes that 70% of the people in a certain county are satis?ed with their health coverage. Assuming that this is true, ?nd the probability that in a random sample of 15 people from the county:
Describe your situation and why more than one solution is possible - Write an inequality to model the situation and solve this inequality.
11 women and 9 men are the contestant in a competition. If 3 winners are ramdomly selected. what is the probability that they are all men?
Indicate the different ways an individual could forecast his or her weight 10 years from now. Do these methods change based upon whether the individual is 5, 14, 24, or 45 years old? If so why?
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To investigate three approaches to problem solving, 30 six-graders were assigned to three treatment conditions T1, T2, T3 . Where T1 = control, and T2 and T3 are two experimental conditions- State model and model assumptions and What is the null h..
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