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Women athletes at the a certain university have a long-term graduation rate of 67%. Over the past several years, a random sample of 39 women athletes at the school showed that 22 eventually graduated. Does this indicate that the population proportion of women athletes who graduate from the university is now less than 67%? Use a 1% level of significance.
a) What is the level of significance?
b) What is the value of the sample test statistic? (Round your answer to two decimal places.)
c) Find the P-value of the test statistic. (Round your answer to four decimal places.)
What is the probability of selecting a value at random and discovering that it has a value of less than 395 pounds?
If he selects the three brands at random, what is the probability that he will select the following?
To find weighted aggregate price index using Laspeyres and Paasche method.
Data is given in the table below. Process data as illustrate in the paper on the Mann-Whitney U test. Critical Value:Test Statistic (Show procedure.)Z .
Testing equality of two means - difference in performance of the two gasolines and difference in gasoline mileage output
If sample of size 10 packages is randomly chosen, and 5 percent rate holds, determine the probability that exactly 2 packages in the sample arrive late?
If Kim expects to use phone for 21 hours per month, which plan must she choose?
At the significance level 0.01 is there sufficient evidence to conclude that a difference exists in the mean time required for the elimination of the rash?
Normalized matrix for one decision criterion at Firm T is given below.
Determine what analysis would you do on each problem (i.e., one-sample z-test, one-sample t-test, proportion test, two-sample independent t-test, or paired test)?
Suppose that this is a simple random sample of adult residents of Maine.
Reynolds Electronics accepts a lot from a particular supplier if the defective components in the lot do not exceed 1%. Suppose a random sample of five items from a recent shipment is tested.
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