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Problem
You roll two fair dice, one red and one green.
a) What is the probability of getting a number less than 5 on both?
b) What is the probability of getting a sum of 9 on the two dice?
c) What is the probability of getting a 5 on both?
Use a 0.05 significance level to test the claim that the mean speed of all cars is greater than the posted speed limit of 70 mph. Based on the above situation compute the value of the test statistic.
Expalin what would be the appropriate statistical procedure to test the following hypothesis: Triglyceride values are a good predictor of weight in obese adults.
Smith Software Inc. is a computer software firm that has grown in size in recent years. To assist in its planning for future growth, you are to determine the trend of the number of accounts based upon the below.
A drawer contains 11 identical red socks, and 8 identical black socks. Suppose that you choose 2 socks at random in the dark
Construct a 95% confidence interval estimate for the population proportion of adults who report that e-mails are easy to misinterpret.
Which of the following is not an advantage of using a cluster sample instead of other types of samples?
At the .05 level of significance, is there convincing evidence that the number of absences per employee has increased?
At the .05 significance level, can we conclude that the mean waiting time is less than 3 minutes?
Classifcation Which of the following are continuous variables and which are discrete?
The error between the sample mean and the population mean for a sample of n = 16 is 5 points and the error between a sample men and population mean for a sample of n = 100 is 2 points. Explain the difference in the standard error??
A description of how you believe statistics can enrich and represent the results of a study, and an explanation of how statistics can be used to misrepresent the results of a study.
The grade point averages for 10 randomly selected high school students are listed below. Assume the grade point averages are normally distributed.
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