A study shows that the lengths of the careers of professional football players are nearly normally distributed with a mean of 5.2 years and a standard deviation of 1.9 years. (For each answer, enter a number.)

(a) What percent of professional football players have a career of more than 8 years? (Round your answer to one decimal place.)

%

(b) If a professional football player is chosen at random, what is the probability that the player will have a career of between 3 and 4 years? (Round your answer to three decimal places.)

%

14

step-by-step explanation:

14 x 3 = 42

isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c

8.75

how-to:

first, we need to find what we have to work with.

since i know that we have 7 (years) and 0.8 (inches), we can use these to solve and find the equation!

secondly, what you want to do, is see that we need to know how much growth out of the 0.8 inches he got in only 1 year, instead of 7 years.

let's try to divide.

7 ÷ 0.8 = 8.75