The scores on an exam are normally distributed with a mean of 77 and a standard deviation of 10. what percent of the scores are greater than 87?

68%
16%
84%
2.5%

 16%

Step-by-step explanation:

Given: The scores on an exam are normally distributed.

Mean :

Standard deviation=

Let X = 87

Then,

Now, the probability of scores are greater than 87 is given by :-

Since,

Then,

In percent ,

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