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The number of minutes that a patient waits at a medical clinic to see a doctor is represented by a uniform distribution between zero and 30 minutes, inclusive. This is described by the function f(x) = 1/30 for 0 < x < 30.
Find P(20 < x < 28) and describe what it means in the context of the question.
In a large population of college-educated adults, the mean IQ is 118 with a standard deviation of 20. What is the probability that a randomly selected adult from this population has an IQ that is greater than 120?
directional and nondirectional hypotheses can be easily interchanged according to the hypothesis the researcher is
you are standing in line at the super market when a scientist standing behind you strikes up a conversation with you.
Why was the EEOC necessary in the 1960s? Given the many advancements made against discrimination today, do we still need the EEOC? Explain your responses.
Show that if the distribution of a positive random variable X is in a scale family, then the distribution of log X is in a location family.
To test whether the significant difference between two sample variance using F-tests.
Solve following for x, expressing answers as compound fractions and integers where appropriate:
give an example of how anova may be useful for your area of research. state a null and alternative hypothesis and
Find the probability that the number who say cashews are their favorite nut is? (a) exactly? three, (b) at least? four, and? (c) at most two.
Over the last ten years, the average GPA has been 3.0. Is this year's class significantly different from the long-run average? At what alpha level would it be significant?
let the interval -rr be the base of a semicircle. if a point is selected at random from this interval assign a
What is the probability that in a family consisting of a mother, father and two children of different ages, that the family has two girls.
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