A Food Marketing Institute found that 40% of households spend more than $125 a week on groceries. Assume the population proportion is 0.4 and a simple random sample of 130 households is selected from the population. What is the probability that the sample proportion of households spending more than $125 a week is between 0.21 and 0.34? Answer = (Enter your answer as a number accurate to 4 decimal places.)
Get Answers For Free
Most questions answered within 1 hours.