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The contents of bottles of beer are normally distributed with a mean of ? and a standard deviation of ? = 5ml.
What is the IQR of the distribution of all the average contents of all 6-packs? Use 3 decimal places.
Assuming the sample size of 40 can be considered as large, compute the confidence interval for a confidence level of 90%.
A bank manager recorded the number of hours taken to accomplish a particular task. He got the data below. Hours:10, 11, 12, 13, 14, 15, 16, 17, 18. Number of Employees: 2, 4, 6, 8, 10, 12, 14, 16, 18. Find the coefficient of correlation(r).
The number of vacation days taken by employees of a company is normally distributed with a mean of 14 days and a standard deviation of 3 days. For the next employee, what is the probability that the number of days of vacation taken is less than..
In this paper present the Construction of confidence Intervals and the Proper Interpretation of confidence Intervals and show appropriate examples in the education environment.
Use the Poison distribution to find the indicated probabilites. Find the probability of 6 dandelions in an area of 1 m ²
You want to know whether the population means are different in the two populations. Conduct an hypothesis test using an alpha of .05 and the critical value method.
A tire company made a sampling distribution on one of its brands of tires and determined that the tire had a mean life of 56,000 miles with a standard deviation of 18,100 miles.
Determine how self confident a person may be. Analysis and Justification. Prepare an analysis of how you developed your instrument.
The acceptance rate for applicants with similar qualifications is 30% for University X and 55% for University Y. What is the probability that Jim will be accepted by at least one of the two universities?
Has there been a significant shift upward in the percentage of persons who want to go to Europe? Using the .05 significance level for this study.
Consider a finite size population for N in which you want to study a variable y that takes a very small value for the first element of the sampling frame
q1. thompson photo works purchased several new highly sophisticated machines. the production department needed some
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