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P(A1)= .20, P(A2), and P(A3)= .40. P(B1IA1) = .25. P(B1IA2) = .05. P(B1IA3)=.10.
Use Bayes' theorem to determine P(A3 I B1)
Use α =.01 and test for a significant difference. What is your conclusion?
The width of a confidence interval will be:
Note that Σ x = 2233 and Σ x 2 = 138,053. At the 5% level of significance, can the instructor conclude that the new mean is different from 64?
One use of the Chi-square goodness of fit test is to determine if specified multinominal probabilities in the null hypothesis is correct.
What is the probability of selecting a female or an accounting major? Which rule of addition did you apply?
2 to every even-numbered card, with aces being 1s. Determine the frequencies of 0, 1, and 2. Use SPSS to get the value of test statistic and p-value.
Determine the calculated value of the test statistic? What distribution does test statistic have when null hypothesis is true?
A bank wants to get new customers for their credit card. They try two different approaches in their marketing campaign. The first promises a "cash back" reward; the second promises low interest rates. A sample of 500 people are mailed the first br..
Determine the probability of fatal accident over a lifetime? Describe your reasoning carefully. Hint: Suppose independent events. Why might the supposition of independence be violated?
What is the appropriate conclusion based on the outcome of the hypothesis test?
What is the probability that the mean completion time is between 1 and 2 hours, i.e.., 60 and 120 minutes?
Kind of examination produced significant main effects on both mean mark and time taken to complete the examination.
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