Suppose that a simple random sample of size 320 selected from a population, p, has 143 successes. Calculate the margin of error for a 99% confidence interval for the proportion of successes for the population, p. Determine the critical value, z, correct to three decimal places using a z-distribution table or software.

MATLAB: An Introduction with Applications
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Suppose that a simple random sample of size 320 selected from a population, p, has 143 successes. Calculate the margin of error
for a 99% confidence interval for the proportion of successes for the population, p.
Determine the critical value, z, correct to three decimal places using a z-distribution table or software.
Transcribed Image Text:Suppose that a simple random sample of size 320 selected from a population, p, has 143 successes. Calculate the margin of error for a 99% confidence interval for the proportion of successes for the population, p. Determine the critical value, z, correct to three decimal places using a z-distribution table or software.
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