According to the data, the mean quantitative score on a standardized test for female college-bound high school seniors was 500. The scores are approximately Normally distributed with a population standard deviation of 50. What percentage of the female college-bound high school seniors had scores above 575?

6.68% of the female college-bound high school seniors had scores above 575.  

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 500

Standard Deviation, σ = 50

We are given that the distribution of score is a bell shaped distribution that is a normal distribution.

Formula:

P(scores above 575)

P(x > 575)

Calculation the value from standard normal z table, we have,  

6.68% of the female college-bound high school seniors had scores above 575.

b

step-by-step explanation:

the word superfluous means unnecessary