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An aptitude test has a mean of 220 and standard deviation of 10. find the corresponding z score for:
a) a test score of 232
b) a test score of 212
What is the probability that the first two cards dealt yields "Black Jack"?
Suppose that a model for the joint distribution of these rvs is a bivariate normal distribution.
Re item 4, assume the critical value for this test is 4.92, and you obtain a computed statistical value of 7.45. Is there evidence to refuse null hypothesis? Describe why or why not?
Illustrate the maximum number of reservations that it could accept for a flight with a capacity of 160, if it needs the probability of accommodating all reservation holders to be at least 95%.
Last week Sarah had exams in Math and in Spanish. On the Math exam, the mean was u, = 30 with a = 5, and Sarah had a score of X - 45. On the Spanish exam, the mean was u, = 60 with 0 = 6 and Sarah had a score of X = 65. For which class must Sarah ..
The results of the simple linear regression are provided below.
Survey on marital status to determine whether the data is qualitative or quantitative
What is the mean and standard deviation of the number preferring the incumbent and what is the probability that more than 68% will favor the incumbent?
What is the probability of receiving more than three pieces of junk mail today?
Determine the probability that the number of people who show up will exceed the capacity of the plane?
Normal distribution has mean of 80 and standard deviation of 14. Find out the value above which 80 percent of values will occur.
In what sense is this business problem? A societal problem? An individual problem?
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