A Food Marketing Institute found that 33% of households spend more than $125 a week on groceries. Assume the population proportion is 0.33 and a simple random sample of 196 households is selected from the population. What is the probability that the sample proportion of households spending more than $125 a week is between 0.2 and 0.42? Answer= (Enter your answer as a number accurate to 4 decimal places.)
A Food Marketing Institute found that 33% of households spend more than $125 a week on groceries. Assume the population proportion is 0.33 and a simple random sample of 196 households is selected from the population. What is the probability that the sample proportion of households spending more than $125 a week is between 0.2 and 0.42? Answer= (Enter your answer as a number accurate to 4 decimal places.)
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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Transcribed Image Text:A Food Marketing Institute found that 33% of households spend more than $125 a week on groceries. Assume
the population proportion is 0.33 and a simple random sample of 196 households is selected from the
population. What is the probability that the sample proportion of households spending more than $125 a week
is between 0.2 and 0.42?
Answer=
(Enter your answer as a number accurate to 4 decimal places.)
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