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In: Statistics and Probability

A population proportion is 0.60. Suppose a random sample of 660 items is sampled randomly from...

A population proportion is 0.60. Suppose a random sample of 660 items is sampled randomly from this population. Appendix A Statistical Tables a. What is the probability that the sample proportion is greater than 0.62? b. What is the probability that the sample proportion is between 0.56 and 0.62? c. What is the probability that the sample proportion is greater than 0.59? d. What is the probability that the sample proportion is between 0.58 and 0.59? e. What is the probability that the sample proportion is less than 0.51?

Solutions

Expert Solution

Refer Standard normal table/Z-table to find the probability or use excel formula "=NORM.S.DIST(1.05, TRUE)" to find the probability.

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Refer Standard normal table/Z-table to find the probability or use excel formula "=NORM.S.DIST(1.05, TRUE)" & "=NORM.S.DIST(-2.10, TRUE)" to find the probability.

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Refer Standard normal table/Z-table to find the probability or use excel formula "=NORM.S.DIST(-0.52, TRUE)" to find the probability.

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Refer Standard normal table/Z-table to find the probability or use excel formula "=NORM.S.DIST(-0.52, TRUE)" & "=NORM.S.DIST(-1.05, TRUE)" to find the probability.

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Refer Standard normal table/Z-table to find the probability or use excel formula "=NORM.S.DIST(-4.72, TRUE)" to find the probability.

orchestra answered 1 year ago
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