Question

The income distribution in a county is a normal distribution with a mean income of $10,000. The top 2.5% of the wage earners earn $18,000 or more. Which sentence most closely summarizes this information?

A. 68% of the wage earners earn less than $14,000 each.

B. 16% of the wage earners earn less than $14,000 each.

C. 55% of the wage earners earn less than $14,000 each.

D. 84% of the wage earners earn less than $14,000 each.

E. 95% of the wage earners earn less than $14,000 each.

Answer 1

@tkhunny

Answer 2

Do you have an "Empirical Rule"?

Answer 3

2.5

Answer 4

So would it be "E. 95%"? @tkhunny

Answer 5

@mathmale

Answer 6

@poopsiedoodle

Answer 7

Counting 2.5% on both sides, this is 95%