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Confectionary Products Americans ate an average of 25.7
Chapter 6, Problem 13RE(choose chapter or problem)
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
Source: www.census.gov
Questions & Answers
QUESTION:
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
Source: www.census.gov
ANSWER:Step 1 of 3:
Americans ate an average of 25.7 pounds of confectionary products each last year.
They spend an average of $61.50 per person.
The standard deviation for consumption is 3.75 pounds and the standard deviation for the amount spent is $5.89.
We have to 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 $60.0.