The weight of male americans between the ages of 18 and 25 is normally distributed, with a mean of 160.4 lb and a standard deviation of 27 lb. one definition of obesity states that a person is obese if the z-score of his or her weight is greater than 2. what is the obesity threshold weight for a young adult american male? round your answer to the nearest tenth. a. 200.9 lb b. 187.4 lb c. 173.9 lb d. 214.4 lb

you need to substitute then do: 160.4(mean)+2(x)*27(z)= 214.4lb

Step-by-step explanation:

We know that            (1)

and also we are given that a person is obese if the z-score of his or her weight is greater than 2.

Thus, using this information we can rewrite the above equation (1),

Solving this equation, we have

⇒

⇒

⇒

Thus,  the obesity threshold weight for a young adult American male is .

i think the answer is d im not sure