SOLUTION: The distribution of cholesterol levels in teenage boys is approximately normal with μ = 170 and σ = 30. Levels above 200 warrant attention. What percent of teenage boys have le

SOLUTION: The distribution of cholesterol levels in teenage boys is approximately normal with μ = 170 and σ = 30. Levels above 200 warrant attention. What percent of teenage boys have le

Algebra.Com

Question 1181079: The distribution of cholesterol levels in teenage boys is approximately normal with μ = 170 and σ = 30. Levels above 200 warrant attention. What percent of teenage boys have levels that warrant attention?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
z=(x-mean)/sd
z>(200-170)/30 or 1
z>1 has probability 0.1587 or 15.87%
RELATED QUESTIONS
The distribution of cholesterol levels in teenage boys is approximately normal with the... (answered by Fombitz)

Hi! Please help with the following question! Thanks! The distribution of cholesterol... (answered by ewatrrr)

Use the standard normal table to determine the probability. The distribution of... (answered by ewatrrr)

Hi! Please help! The distribution of cholesterol levels in teenage boys is... (answered by ewatrrr)

The distribution of cholesterol levels in teenage boys is approximately normal with a... (answered by Theo)

The distribution of cholesterol level in teenage boys is approximately normal with a mean (answered by stanbon)

The distribution of cholesterol levels in teenage boys is approximately normal with... (answered by Fombitz)

the distribution of cholesterol levels in teenage boys is approximately normal with a... (answered by rothauserc)

Answer the following. (1.5 pts ea) 1. The following box-whisker plot shows the... (answered by jkingcade)