PLEASE HELP Weekly wages at a certain factory are normally distributed with a mean of
$400 and a standard deviation of $50.
Find the probability that a worker
selected at random makes betweenh
$250 and $300.

0.0215 .

Step-by-step explanation:

Let X denotes the weekly wages at a certain factory .

It is normally distributed , such that

Then, the probability that a worker  selected at random makes between

$250 and $300:

Hence,the required probability = 0.0215 .

2

step-by-step explanation:

17

step-by-step explanation:

51/3=17

thus 17 is your answer.