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A bag contains two coins, one fair and the other unfair with Pr(H)= 3/4. One of the coin is selected at random and flipped. If it comes up heads, what is the probability it was the unfair coin?
You have ?$66,000. You put 19?% of your money in a stock with an expected return of 11?%, ?$31,000 in a stock with an expected return of 18?%
If B = "IBM's net profit will increase next year," identify the sample space and possible events that could occur. Use your judgment in arriving at an approximate probability for the event(s) and complement(s) you've identified.
What does 95% confidence interval mean? What would it be for the study described in Question 3? Why do we compute it? (See pp. 361-362. This is also discussed in previous chapters).
What is the key difference between the observed results for the two different sampling methods?
Find out whether this is enough evidence to accept or reject manager's null hypothesis, using alpha = .01. Is this test left-tailed, right-tailed or two-tailed?
Corporate sustainability refers to business practices designed around social and environmental considerations.
A random sample of 58 fish is taken from the tank. Let x be the mean sample length of these fish. What is the probability that x is within 0.5 inch of the claimed population mean? (Round your answer to four decimal places.)
For each of the following two situations, explain whether it would be more appropriate to use a confidence interval for the mean or a prediction interval.
you draw two cards from a standard deck of 52 cards without replacing the first one before drawing the second. find the
a. Rochester Co. is a U.S. firm that has a language institute in France. This institute attracts Americans who want to learn the French language. Rochester Co. charges tuition to the American students in dollars. It expects that its dollar revenu..
What is the probability that A will pitch and the team will win? Enter your answer to two decimal places (0.XX).?
Is has been suggested that images have the potential to warp those things created by humans in ways that natural creations are not exposed
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