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The Food Marketing Institute shows that 17% of households spend more than $100 per week on...

The Food Marketing Institute shows that 17% of households spend more than $100 per week on groceries. Assume the population proportion is

p = 0.17 and a sample of 600 households will be selected from the population.

(b)What is the probability that the sample proportion will be within ±0.02 of the population proportion? (Round your answer to four decimal places.)

.8064

(c)Answer part (b) for a sample of 1,200 households. (Round your answer to four decimal places.)

Math   Statistics-And-Probability   
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