The average test scores for a particular test in algebra was 84 with a standard deviation of 5. what percentage of the students scored higher than 89%? explin your answer.

The percentage of the students scored higher than 89% is 15.87%

Step-by-step explanation:

we are given

The average test scores for a particular test in algebra was 84

so, mean is 84

a standard deviation of 5

so,

we have

x=89

now, we can use z-score formula

now, we can plug values

now, we can use calculator

and we get

So,

The percentage of the students scored higher than 89% is 15.87%

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.