The Annual Precipitation Amounts in a Certain Mountain Range Are

question 1

Multiple Choice

The annual precipitation amounts in a certain mountain range are normally distributed with a mean of 88 inches, and a standard deviation of 10 inches. What is the likelihood that the mean annual precipitation during 25 randomly picked years will be less than 90.8 inches?

• A) 0.4192
• B) 0.5808
• C) 0.0808
• D) 0.9192

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