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aalyn [17]
3 years ago
15

A person must score in the upper 7% of the population on an admissions test to qualify for membership in society catering to hig

hly intelligent individuals. If test scores are normally distributed with a mean of 110 and a standard deviation of 5, what is the minimum score a person must have to qualify for the society
Mathematics
1 answer:
vladimir2022 [97]3 years ago
4 0

Answer: The minimum score a person must have to qualify for the society = 147.4

Step-by-step explanation:

Let X be the test scores.

As per given,

X is normally distributed.

Mean (\mu) = 110

\sigma=5

$$\begin{array}{l}\quad P(z>2)=0.07 \\\therefore \quad 1-P(z

The minimum score a person must have to qualify for the society = 147.4

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