Fifty individuals are randomly selected from a population. It is known that, in the population, 5% of all individuals are not going to vote in the next election. Assuming that the percent of nonvoting individuals may be approximated by the normal distribution, What is the probability that 8% or less of the 50 sampled individuals will not vote? What is the probability that between 4% and 10% of the sampled individuals will note vote? What is the probability that more than 12% of the people in the sample will not vote in the next election?
Fifty individuals are randomly selected from a population. It is known that, in the population, 5% of all individuals are not going to vote in the next election. Assuming that the percent of nonvoting individuals may be approximated by the normal distribution, What is the probability that 8% or less of the 50 sampled individuals will not vote? What is the probability that between 4% and 10% of the sampled individuals will note vote? What is the probability that more than 12% of the people in the sample will not vote in the next election?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Fifty individuals are randomly selected from a population. It is known that, in the population, 5% of all individuals are not going to vote in the next election. Assuming that the percent of nonvoting individuals may be approximated by the
- What is the probability that 8% or less of the 50 sampled individuals will not vote?
- What is the probability that between 4% and 10% of the sampled individuals will note vote?
- What is the probability that more than 12% of the people in the sample will not vote in the next election?
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