Answer:
5.75
Step-by-step explanation:
Answer:
1 out of 100
Step-by-step explanation:
99 out of 100 people are NOT left-handed, that means they are right handed. 100-99=1
Answer:
126 centimeters squared
Step-by-step explanation:
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%