Probability for the mean annual precipitation

Reference no: EM1322586

Finding probability value for the given data using normal approximation

The annual precipitation amounts in a certain mountain range are normally distributed with a mean of 99 inches, and a standard deviation of 14 inches. What is the probability that the mean annual precipitation during 49 randomly picked years will be less than 101.8 inches?

a. 0.9192

b. 0.4192

c. 0.0808

d. 0.5808

Reference no: EM1322586

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