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alisha [4.7K]
4 years ago
7

4,000 students take an exam and get scores with a mean of 68 and a standard deviation of 26.

Mathematics
1 answer:
salantis [7]4 years ago
3 0

Answer:

95%

Step-by-step explanation:

We have a normal distribution with a mean of 6 students and standard deviation of 26.

To solve this problem, we're going to need the help of a calculator.

P(16<z<120) = 0.9545 ≈ 95.45%

Rounding, we can say that 95% of the students scored between 16 and 120.

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