Standard Deviation Answers

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10%

30%

50%

80%

What is the approximate probability that a detasseler makes between $13 and $17 an hour?

30%

69%

99%

Use the standard normal form table to find P(z ≤ 0.82). P(z ≤ 0.82) ≈

58%

61%

79%

99%

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P(z 1.06)

P(z –1.06)

1 – P(z 1.06)

Question text not available

z13 = 0.9, z17 = 1.25

z13 = 0.5, z17 = 1.25

z13 = 0.5, z17 = 2.5

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