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he local police department must write an average of 5 traffic tickets each day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows a Poisson dictribution with mean of 6.5 tickets per day. Interpret the value of the mean.
The iq test score are normally distributed with a mean of 100 and a standard deviation of 15. Determine the probability that the person would score 130 or more on the test?
Assume that the amount your town's population grows every year is fixed or constant. Utilize your equation in part b to approximate the population in the year 2030.
If you arbitrarily grab 2 socks out of drawer determine the probability that you grab a matching pair?
How does the MHMR compare to the state's figures on providing services to first-time admissions - Hypothesis test for one sample mean
The following probability distribution shows the likelihood that people were absent 0, 1, 2, 3, 4, or 5 days last month. Given the probability distribution, which of the following predictions is correct?
For a sample with standard deviation of 10, a score of X = 44 corresponds to z-score of 0.50. Based on this info, determine the sample mean?
Create a research question for which the appropriate test of the statistical hypothesis would require the use of a z-score.
A tailor makes wool tweed sport coats and wool slacks. He is able to get a shipment of 150 square yard of wool cloth from Scotland each month to make coats and slacks
Does the regression equation account for a significant portion of the variance in GPA? Use ∝ = .05 to evaluate the F - ratio.
We often hear you can lie with statistics. This is one way of saying statistics can be easily mis-communicated. Find one example of how statistics are mis-communicated and explain why there was a mis-communication and what you would do to correct ..
A major issue facing many states is whether to legalize casino gambling. Suppose the govenor of one state believes that more than 55% of the state's registered voters would favor some form of legal casino gambling.
For a hypothesis test about a population proportion or mean, if the level of significance is less than the p-value, the null hypothesis is rejected.
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