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The editor of a major textbook publishing company is trying to decide whether to publish a proposed new business statistics textbook. Previous textbooks published indicate that 10% are huge successes, 20% are modest successes, 40% break even, and 30% are losers. However, before a publishing decision is made, the book will be reviewed. In the past, 99% of the huge successes received favourable reviews, 70% of the moderate successes received favourable reviews, 40% of the break-even books received favourable reviews, and 20% of the losers received favourable reviews. a) What proportion of textbooks receive favourable reviews? b) If the proposed text receives a favourable review, what is the probability that it will be a moderate success?
How many cases of relays and capacitors should Harkin Electronics produce during that period? If your answer is in fractional units of cases that is acceptable - do not round to whole number of cases.
When Susan and Jessica play a card game, susan wins 60% of the time. if they play 9 games, what is the probability that jessica will have won more games than susan?
the hypothesis that there is a relationship between perceptions of police performance and area of the city for Montgomery. What might you tell the police chief?
The probability that a given bird house will be returned for a refund is 0.04. Suppose that 30 bird houses are sold on a particular day. Find the probability that exactly 2 of those bird houses will be returned for a refund.
Peter hopper, director of quality control for harley davidson
Analyze whether gender differences exist in the size of pay-raise and whether or not these differences are attributable to the size of the university.
What are the assumptions made in performing the hypothesis test in Question 3? Are these assumptions reasonable? Provide explanation to substantiate your view.
Write the null and alternative hypotheses and analyze the data using PROC TTEST, and turn in the printout. From this, you will first have to test if the population variances are equal.
Run the Wilcoxon rank-sum test to show whether there is a statistically significant difference between the mortality rates of children under the age of five years of the regions
Make a histogram of the data using a bar width
A basketball player who consistently makes 23% of free throws
What is the probability of winning a prize in an office sweep
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