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Question: A manufacturer of chocolate candies uses machines to package candies as they move along a filling line.Although the packages are labeled as 8 ounces, the company wants the packages to contain a mean of 8.17 ounces so that virtually none of the packages contain less than 8ounces. A sample of 50 packages is selected periodically, and the packaging process is stopped if there is evidencethat the mean amount packaged is different from 8.17ounces. Suppose that in a particular sample of 50 packages, the mean amount dispensed is 8.159 ounces, with a sample standard deviation of 0.051 ounce.
a. Is there evidence that the population mean amount is different from 8.17 ounces? (Use a 0.05 level of significance.)
b. Determine the p-value and interpret its meaning.
Compute the relative dispersion of each group using the coefficient of variation. Comment on the difference in relative dispersion.
Find the probability that the carbon monoxide concentration exceeds 9 ppm during a randomly selected one-hour period.
Consider the following stemplot. The mean of the data represented in this stemplot ?
the citizens of a certain community were asked to choose their favorite pet. the pie chart below shows the distribution
q1. the ziteck corporation buys parts from international suppliers. one part is currently being purchased from a
Factor the following trinomial using the AC method
The following table presents data on political party affiliation and class level for sample of students in certain university: If the student is selected at random from sample, determine the probability that student is Republican.
Choose three peer C-reviewed research articles and write a short review of each of them that includes the following: Write the problem statement. Name the theoretical model used or briefly describe the overall conceptual model.
Based on information obtained from a sample of 54, a 98% confidence interval for the average profit level of regional banks is given by 67.4 million to 87.78 million. Determine the sample standard deviation of profit
A computer password consists of four characters. The characters can be one of the 26 letters of the alphabet. Each character may be used more than once. How many different passwords are possible?
Give an ending for the below statement.Last week Tom had exams in Statistics and in English. He scored 10 points above the mean on both exams. From this information, you can conclude.
Team Sports, Inc. sells sporting goods to high schools and colleges via a nationally distributed catalog. Management at Team Sports estimates they will sell 2,000 Wilson Model A2000 catcher's mitts next year.
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