The first one is the answer to the question
Answer:
It B
Step-by-step explanation:
This is because the y-intercept is 3 and it going down
Hope this Helped
Answer: 0.002718
Step-by-step explanation:
Given : The population mean annual salary for environmental compliance specialists is about $62,000.
i.e.
Sample size : n= 32

Let x be the random variable that represents the annual salary for environmental compliance specialists.
Using formula
, the z-value corresponds to x= 59000 will be :

Now, by using the standard normal z-table , the probability that the mean salary of the sample is less than $59,000 :-

Hence, the probability that the mean salary of the sample is less than $59,000= 0.002718
Your expected value is 36*2/6 + -36*4/6, which is equal to $-12.
3/4
You can divide both of them by 4. 12/4= 3 and 16/4= 4 Youre welcome