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You were interested in how long the average psychology major at your college studies per night, so you asked 10 psychology majors to tell you thee amountt they study. They told you the following times: 2, 1.5, 3,2,3.5,1, 0.5, 3, 2, 4. A) Find the 95% Confidence Interval on the population mean. B) Find the 90% Confidence Interval on the population mean.
One state lottery has 500 prizes of $1, 75 prizes of $15, 15 prizes of $100, 5 prizes of $450, 2 prizes of $1225, and 1 prize of 2500. Assume that 28,000 lottery tickets are issues and sold for $1. What is the lottery's expected profit per ticket?
Would the Kruskal-Wallis be an appropriate statistical procedure to test this Research Question (RQ)? Please explain your answer.
The probability that a claim is filed in a given year is 0.05, independently of preceding years. What is the PMF of the total premium paid up to and including the year when the first claim is filed?
a popular flashlight that uses two d-size batteries was selected and several of the same models were purchased to test
The amount of food consumed by each rat with humidity set at 20% and again with humidity set at 60%. For this study, identify (a)the population and (b) the sample.
A sample of size 36 results in a sample mean of 7.1. The value of the test statistic is ____
There were 3 defectives in the first batch and 5 in the second. Find a 95% confidence interval using the plus four method for the difference in the proportion of defectives.
The manager requires the estimate to be within 1.0 minutes of the population value. What sample size is needed?
Explain why it makes sense for a set of data to have a correlation coefficient of zero when the data show a very definite pattern.
How would you describe the function of a generalized linear regression model?
students in jane smiths math class took the scholastic aptitude test. five of the students were randomly selected.
question the following table was presented in an article summarizing a study to compare a new drug to a standard drug
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