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Find out Probability using hyper geometric distribution. Electronic baseball games manufactured by Tempco Electronics are shipped in lots of 25. Before shipping, a quality control inspector randomly selects a sample of 6 from each lot for testing. If sample contains any defective games, the entire lot is rejected. What is the probability that a lot containing accurately 3 defective games will still be shipped?
What is the 95% confidence interval estimate of the population mean cost for a prescription of Zocor?
What should the cut-off score be for the interviews? (Round to nearest whole number).
Determine the mean and standard deviation of this distribution?
Assume the data for the three groups are independent and the data are approximately Normal. The P-value is less than 0.01. The correct conclusion is that
Fast Service Truck Lines uses the Ford Super Duty F-750 exclusively. Management made a study of the maintenance costs and determined the number of miles traveled during the year followed the normal distribution. The mean of the distribution was 60..
For each lettered part, a through c, examine the two given sets of numbers. Without doing any calculations, decide which set has the larger standard deviation and explain why. Then check by finding the standard deviation by hand .
We are interested in testing to find out whether the variance of the population is vitally more than 0.003
Find the margin of error for the 95% confidence interval used to estimate the population proportion.
Perform a posthoc test that is suitable if we assume that group 7 is a control group and that the other are different treatment groups and that we are only interested in finding significant treatments, not to compare them.
The Wilcoxon signed rank statistic, The mean for the Wilcoxon signed rank test and The P-value for the Wilcoxon signed rank test
Use this information to construct a probability table, and then calculate each of the following probabilities: P(foreign car)
Determine the probability that their SAT scores will differ by more than 50 points?
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