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Mathematics, 01.05.2021 07:10, keidora
Sixteen percent of the world's population is left-handed. A researcher claims that left-handed individuals are more creative than those who aren't left-handed. In order to support his claim, he takes a sample of 2100 artists and finds that 18% of them are left-handed. Answer the following. (If necessary, consult a list of formulas.) (a) Find the mean of p, where p is the proportion of left-handed individuals in a random sample of 2100. X 5 ? (b) Find the standard deviation of p. . (c) Compute an approximation for PCP 20.18), which is the probability that there will be 18% or more left-handed people in a random sample of 2100. Round your answer to four decimal places.
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