What is the probability that mean of the sample is more

Reference no: EM13145885

A manufacturer claims that the mean weight of its ice cream cartons is 12 ounces with a standard deviation of 0.5 ounce. Assume the weights are normally distributed. You test 25 cartons and find their mean weight to be 12.22 ounces.

(a) Assuming the manufacturer's claim is correct, what is the probability the mean of the sample is 12.22 ounces or more?
(b) Using your answer form part (a), what do you think of the manufacturer's claim?
(c) Would it be unusual to have an individual carton with a weight of 12.22 ounces? Why or why not?

Reference no: EM13145885

Questions Cloud

Decision dealing with excess supply or excess demand : a. Does Erin and Kyle's decision deal with excess supply or excess demand? b. What should Erin and Kyle do?

Macroeconomics is part of the economics concerned : Macroeconomics is part of the economics concerned with individual units such as a person, a household, a firm of an industry"

Why are the phylogenetic relationships for amphibia : Why are the phylogenetic relationships for Amphibia so contentious? How does this contrast with the challenges for determining phylogenetic relationships of Lepidosauria?

Value of the intangible assets : Are there times when the values of the tangible assets are actually less than the value of the intangible assets, such as Goodwill?

What is the probability that mean of the sample is more : Assuming the manufacturer's claim is correct, what is the probability the mean of the sample is 12.22 ounces or more? Using your answer form part (a), what do you think of the manufacturer's claim?

Substitute this guess into the model : All sums in the solution must be evaluated for the solution to be complete. If you solve the model by guessing a solution, substitute this guess into the model to con firm that the guess is correct.

Computing company ending inventory : Hay Company had January 1 inventory of $100,000 when it adopted dollar-value LIFO. During the year, purchases were $600,000 and sales were $1,000,000. December 31 inventory at year-end prices was $126,500, and the price index was 110. What is Hay ..

Prepare the consolidation entry in connection : What balances would need to be considered in order to prepare the consolidation entry in connection with these intercompany bonds at December 31, 2008, the end of the first year of the intercompany investment?

Which level of confidence requires a larger sample size : Determine the minimum sample size he must select if he wants to be 90% confident that the true average time is within 10 minutes of the sample average?

User Account

All Pages