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Suppose that all of the outcomes of a random variable are , and that each outcome as an equal probability of occurring. Define the events , , and. What is the probability of the event given that the event has occurred,?
a- 1
b- 1/2
c- 1/3
d- 3/4
What is the probability that six consecutive integers will be chosen as the winning numbers in a lottery where each number chosen is an integer.
The service call can take 1, 2, 3, or 4 hours. The different types of malfunction occur at about the same frequency. Develop a probability distribution for the duration of a service call.
if a gambler rolls two dice and gets a sum of 9 he wins 12 and if he gets a sum of four he wins 20. the cost to play
The "law of averages." The baseball player Ichiro Suzuki gets a hit about 1/3 of the time over an entire season. After he has failed to hit safely in nine.
Altogether, about 1,676,200 of those children returned to their homes. What was the probability of returning?
Use the following frequency distribution to determine the midpoint of the second class.
Why are estimations and confidence intervals important? Do confidence intervals and estimation play a role in the selection of sample size?
Consider a coin for which the probability of obtaining a head on any given toss is 0.3. Suppose that the coin is to be tossed 15 times
Assume a researcher compared the performance of four independent groups of participants on an ordinal variable using the Kruskal-Wallis H test.
She does the same for a random sample of 9 professors in the College of Business and for a random sample of 8 professors in the College of Fine Arts. Does this represent a designed experiment? Explain.
Find the variance of a sum of n randomly and independently selected points from the interval (0, 1).
Refer to the Real estate sales data set in Appendix C.7 and Case Study 9.3 I. Select a random sample of 300 observations to use as the model-building data set
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