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The T84 calculator? Shaquille O'Neal is a professional basketball star who had a reputation for being a poor free throw shooter. As of this writing, he made 5155 of the 9762 free throw that he attempted, for a success ratio of 0.528. Describe a procedure for using software of a T1-84 Plus calculator to simulate his next free throw. The outcome should be an indication of one of two results (1) the free throw is made; (2) the free throw is missed
Provide an example of a hypothesis test you could perform at work or at home. State what the Null and the Alternative hypotheses would be in your test.
Shopper Trak is a hidden electric eye designed to count the number of shoppers entering a store. When two shoppers enter the store together one walking in front of the other, the following possibilities apply.
We want 95% confidence that the sample mean is within $5 of the population mean, and the population standard deviation is known to be $63.
Predict the monthly labor hours required when the X-ray exposures are 56,194, the bed days are 14,077.88, and the average length of patients' stay is 6.89.
A corporation owns a factory that produces sulfuric acid. Because of changing conditions, the plant's output is quite variable. The company's president has observed that the output is normally distributed with a mean of 8,200 pieces per hour.
Seven employees who have formed a car pool. If only three of these employees can drive, how many possible seating arrangements are there for the group?
Make a point estimate and a 95% confidence interval estimate.
At.05 level of significance can director conclude that there is difference in the number of circuit cards bought by month?
Create a scenario for applying the Goodness of Fit application of Chi-square. State the hypotheses, the level of significance, the result and its meaning.
One group is given the new drug and the other group is given the standard drug. Data are recorded on the effects of each drug. Is the research division using dependent or independent samples? Why?
the sample variance 1.8 hours. If μ= 3.0, then calculate the observed value for the t-statistic. Construct 90% confidence interval for the mean.
We are interested in testing to see if the variance of a population is less than 7. The correct null hypothesis is:
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