The Food Marketing Institute shows that 17% of households spend more than $100.00 per week on groceries. Assume the population proportion is p=0.17 and a simple random sample of 800 households will be selected from the population. Use z-table. b. What is the probability that the sample proportion will be within +- .02 of the population proportion (to 4 decimals)? c. What is the probability that the sample proportion will be within +-.02 of the population proportion for a sample of 1600 households (to 4 decimals)?
The Food Marketing Institute shows that 17% of households spend more than $100.00 per week on groceries. Assume the population proportion is p=0.17 and a simple random sample of 800 households will be selected from the population. Use z-table. b. What is the probability that the sample proportion will be within +- .02 of the population proportion (to 4 decimals)? c. What is the probability that the sample proportion will be within +-.02 of the population proportion for a sample of 1600 households (to 4 decimals)?
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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The Food Marketing Institute shows that 17% of households spend more than $100.00 per week on groceries. Assume the population proportion is p=0.17 and a simple random sample of 800 households will be selected from the population. Use z-table.
b. What is the
c. What is the probability that the sample proportion will be within +-.02 of the population proportion for a sample of 1600 households (to 4 decimals)?
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