Mathematics, 15.07.2020 01:01 pooperjooper
About 90% of American adults had chickenpox before adulthood. We now consider a random sample of 150 American adults I only need help with B) and c) part of this question. a) How many people in this sample would you expect to have had chickenpox in their childhood? (Enter your answer as a whole number.) b) Would you be surprised if there were 132 people who have had chickenpox in their childhood? (Round your answer to two decimal places.) Since z = ?c) What is the probability that 132 or fewer people in this sample have had chickenpox in their childhood?
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Mathematics, 21.06.2019 12:30, kmshacklette9879
Jackson drew 4 hearts and 29 circles. what is the ratio of circles to all shapes?
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About 90% of American adults had chickenpox before adulthood. We now consider a random sample of 150...
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