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The mean and standard deviation of the number of micro-chips manufactured by a machine per minute are 9 and 3 respectively. The probability that any chip will be faulty is 0.01. Using suitable probability model, calculate the probability of producing more than 3 faulty chips per hour.Explain the reasons for choosing your probability model.
Find out the Expected value of the perfect information for the given problem. Given the subsiquent cost tree, illustrate what is the expected outcome.
Draw the histogram for these data using an initial class boundary of and a class width of . Note that you can add or remove classes from the figure. Label each class with its endpoints.
What should the warranty period be to replace a malfunctioning calculator if the company does not want to replace more than 1% of all the calculators sold.
What score was earned by more students than any other score? Why? What was the highest score earned on the exam?
The manager for Select-a-Seat, a company that sells tickets to athletic games, concerts, and other events, has determined that the number of people arriving at the Broadway location on a typical day is Poisson distributed with a mean of 12 per hou..
Suppose that the null hypothesis is rejected and alternate hypothesis is accepted. Discuss the conclusion as a Type I error, a Type II error, or a correct decision, if in fact the defendant is innocent.
Men the same age have mean height 69 inches with standard deviation 2.7 inches. What is the z-score for a woman who is 6 feet tall?
Using an alpha of .05, what can you conclude about homogeneity of variance from the output? Word process your responses on the SPSS output pages.
Bay Area University enrolls MBA students in three cohort programs: Weeknight, Saturday, and Distance. Dean Ed Epstein wants to know if there is a difference in the average of the students in the three programs.
Your company builds roads, bridges, schools and other multi-million dollar public construction projects. Competitive bids are made for the contracts to undertake these projects. For each project there are three costs:
While the 46 afternoon students' average score was 79.44 with a standard deviation of 6.62. (a) Which test would you use to compare the means?
Assume that the class has 60 students and that the examination period is 90 minutes in length. How many students do you expect will be unable to complete the exam in the allotted time.
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