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Two inspectors review the quality of a manufactured component and classify the items as good, repairable, and scrap. Each inspector looks at every item, but they do not always classify the items in the same way. Assign probabilities to the nine possible outcomes.
The past history shows that 60% of employees prefer Starbucks brand coffee. A sample of 5 employees is selected, what is the probability that less than 3 prefer Starbucks?
Create the 95% confidence interval for proportion of adults from Country A who say human activity contributes to global warming.
given the probability that james will go the gym after work is 28 and the probability that sam will go the gym after
The Manager of a seafood restaurant was asked to establish a pricing policy on lobster dinners. Experimenting with prices produced the following data:
A sample of the math test scores of 35 fourth-graders has a mean of 82 with a standard deviation of 15.
If mean height when these plants are treated with the certain chemical varies from 185. Define the null hypothesis H0 and alternative hypothesis H1 which we would use for this test.
question 1you have been given sample data from two offices and told that the 95 confidence interval for the difference
Find out the test statistic P-value, and critical value, and state the final conclusion. The mean IQ score of statistic professors is less than 120. Sample data: n = 46. Suppose that = 17, and the significance level is = 0.05.
Let X be the number of correct guesses by your friend in the 100 trials and Use the Normal approximation with the continuity correction - Which of the following might be reasonably modeled by the binomial distribution
Construction of histogram and pie chart for continuous data
3 methods, A, B, and C are available for teaching a certain industrial skill. Only one of these methods is used in teaching a particular worker.
A truck without thelp from the truck driver (2hours per truck with the truck drivers help) Assuming M/M1:FCFS/8/8 model: What is the probability of 0,1 or 2 trucks in need of repair at any one time?
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