Hayley has 120 apple trees of a certain variety in her orchard. She estimates the population of apples has a mean of 9 seeds per apple with a standard deviation of 2 seeds. The distribution in the number of seeds per apple has a shape that is approximately normal.
The table gives the standard normal distribution.
2
area to left of z-score
-3 .00135
-2
.02275
-1
.15866
0
.50000
1
.84134
2
.97725
3
.99865
What percent of Hayley's apples have between 5 and 11 seeds? Enter your answer in the box rounded to the tenths place.
Approximately
% of Hayley's apples have between 5 and 11 seeds.