Question 7.171

45. Small Business Jobs. Refer to Exercise 41.

  1. Find the 0.5th and 99.5th percentiles of the sample proportions.

    423

  2. Draw a graph showing the sampling distribution of , with the area between the 0.5th and 99.5th percentiles shaded.
  3. Suppose 14 of 20 new jobs added to the economy were provided by small business. Would this be considered unusual? Explain your reasoning.

7.2.45

(a) 0.5003, 0.9997 (TI-83/84: 0.5007, 0.9993)

(b)

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(c) For . Thus is neither moderately unusual nor an outlier.