Americans ate an average of 25.7 pounds of confectionary pro
Americans ate an average of 25.7 pounds of confectionary products each last year and spent an average of $61.50 per person doing so. If the standard deviation for consumption is 3.75 pounds and the standard deviation for the amount spent is $5.89, find the following:
a. The probability that the sample mean confectionary consumption for a random sample of 40 American consumers was greater than 27 pounds.
b. The probability that for a random sample of 50, the sample mean for confectionary spending exceeded $60.00.
© BrainMass Inc. brainmass.com December 15, 2020, 7:46 pm ad1c9bdddfhttps://brainmass.com/statistics/probability/americans-ate-an-average-of-25-7-pounds-of-confectionary-pro-415802
Solution Preview
Americans ate an average of 25.7 pounds of confectionary products each last year and spent an average of $61.50 per person doing so. If the standard deviation for consumption is 3.75 pounds and the standard deviation for the amount spent is $5.89, find the following:
a. The probability that the sample mean confectionary consumption for a random sample of 40 American consumers was greater than ...
Solution Summary
Americans ate an average of 25.7 pounds of confectionary products each last year and spent an average of $61.50 per person doing so. If the standard deviation for consumption is 3.75 pounds and the standard deviation for the amount spent is $5.89, find the following:
a. The probability that the sample mean confectionary consumption for a random sample of 40 American consumers was greater than 27 pounds.
b. The probability that for a random sample of 50, the sample mean for confectionary spending exceeded $60.00.