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FIRST EXAM FINAL GRADE 62 74 73 93 88 68 82 79 85 91 77 72 94 96 65 61 91 92 74 82 85 93 98 95 a. Is the professor correct? Test with ? = 0.05. b. How accurately do the exam scores predict final grades? Compute the standard error of the estimate.
Compute the probability that, in a random sample of 500 students, at least 20 lie frequently, assuming the true percentage is 3%.
Critically discuss how someone may use measures of central tendency, variation, or position in their home, school, or workplace.
Without performing any calculations, will the interval increase, decrease or stay the same? Which of the values in the formula will change?
The probability that a student passes a written test for a private pilot's license is 0.75. What is the probability that a student will fail the test on the first attempt and pass it on the second attempt?
If the manufacturer's claim is true, what is the probability that the claim will be rejected?
If Molly and Kathleen wishes to make a profit of $5,000 for summer, how many pupils do they require to enrol?
Suppose you are given the following estimated regression equation: Debt Ratio = 4000 + .20 Cash Flow. If the t-stat for the slope estimate is 3.25, what can you conclude?
How many of the 15 students would you expect to correctly identify Coke or Pepsi? What is the probability that exactly 10 students surveyed will correctly identify coke or Pepsi.
What kind of probability uses sample spaces to find out numerical probability that event will happen?
EBook is a digital book provider that sells their downloaded product through both Anason and Bairnes-Nolb. Anason requires that EBook use a different format than they use for Bairnes-Nolb.
An accounting professor at a state university in Vermont recently gave a three-question multiple-choice quiz. What is the probability of getting a perfect score if you were forced to guess at each question?
Suppose that 55 percent of the people in a population of 500,000 support your candidate. If you conduct a poll of 1,000 people, what is the interval that has a 95 percent chance of containing the results of your poll?
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