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QUESTION 24 Z is distributed as a standard normal variable. Use Excel to find Pr(Z >...

QUESTION 24

  1. Z is distributed as a standard normal variable. Use Excel to find Pr(Z > 0.59). Enter your answer as a decimal rounded to three decimal places, e.g. 0.268.

QUESTION 25

  1. Given a sample with a mean of 57 and a standard deviation of 8, calculate the following probability using Excel. Note the sign change. Round your answer to three decimal places, e.g. 0.753.

    Pr(53 < X < 70)

QUESTION 26

  1. Given that Z is drawn from a standard normal distribution, What is the probability that Z > 1.14? Round your answer to three decimal places, e.g. 0.491.

Math   Statistics-And-Probability   
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