Mathematics: The annual precipitation amounts in a certain mountain range are normally distributed with a mean of 8080 inches, and a standard deviation of 1616 inches. what is the probability that the mean annual precipitation during 6464 randomly picked years will be less than 82.882.8 inches? round your answer to four decimal places.

The annual precipitation amounts in a certain mountain

alliemeade1

13.03.2022

The sample mean is μ=80, and sample standard deviation is σₓ= $\frac{σ}{\sqrt{n}} =\frac{16}{\sqrt{64}} =2$ .

The Z-score is $Z=\frac{ 82.8-80}{2}=1.4$ .

Refer to standard normal distribution table.

The required probability is

P(X

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Astudent333

05.05.2020

neet

Step-by-step explanation:

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