Question
Question 4 - A researcher knows that in a given neighbourhood, 45% of the households have incomes over $100,000. What is the probability that in
Question 4 - A researcher knows that in a given neighbourhood, 45% of the households have incomes over $100,000. What is the probability that in a random sample of 10 households from that neighbourhood:
(a) exactly 5 households will have incomes over $100,000?
(b) 3 or fewer households will have incomes over $100,000?
(c) more than 6 households will have incomes over $100,000?
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Mathematics for Economics and Business
Authors: Ian Jacques
9th edition
129219166X, 9781292191706 , 978-1292191669
