The Final exam average for an Biology class is normally distributed with a mean of 58% and a standard deviation of 18%.  Suppose that 2051 students took the Final exam last Fall. How many students would you expect to score between a 80% and 100% on the final exam?

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The Final exam average for an Biology class is normally distributed with a mean of 58% and a standard deviation of 18%.  Suppose that 2051 students took the Final exam last Fall. How many students would you expect to score between a 80% and 100% on the final exam? 

Round to the Whole number  Blank 1. Calculate the answer by read surrounding text.

Expert Solution
Step 1

From the provided information,

Population size (N) = 2051 students

Mean (µ) = 58%

Standard deviation (σ) = 80%

Let X be a random variable which represents the final exam score for biology class.

X ~N (58, 80)

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