Author Question: It has been alleged that 40 percent of all college students favor Dell computers. If this were true, ... (Read 137 times)

Ebrown

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It has been alleged that 40 percent of all college students favor Dell computers. If this were true, and we took a random sample of 50 students, the binomial probability table for cumulative values of x available in your text, would reveal which of the following probabilities?
 a. The probability of 10 or fewer students in favor is .586.
  b. The probability of fewer than 20 students in favor is 1.000.
  c. The probability of more than 15 students in favor is .013.
  d. All of these.
  e. None of these.

Question 2

Like the variance and standard deviation, the covariance of a single set of bivariate data is always positive.
  Indicate whether the statement is true or false



jennafosdick

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Answer to Question 1

D

Answer to Question 2

F



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