the answer to 44/625 is0.0704
the answer to 220/31.25 is 7.04
11/15 because 3/5 converts to 9/15 so 9/15+2/15=11/15
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%