At a large block party there are 40 men and 30 women you, Ask an Expert

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At a large block party there are 40 men and 30 women. You want to ask opinions abouthow to improve the next party. You choose at random 4 ofthe men and separately choose at random 3 of the women tointerview.(a) What is the probability that any of the 40 men is in yourrandom sample of 4 men to be interviewed? What is the p robabilitythat any of the 30 women is in your random sample of3 women to be interviewed?(b) If you have done the calculations correctly in part (a),the probability of any person at the party being interviewedis the same. Why is your sample of 7 men and women not anSRS of people from the party?

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