Answer:
D
Step-by-step explanation:
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
Answer:
x=-4 and x=4
Step-by-step explanation:
|x|= 4
the lines surrounding x means the x is positive and negative.
so
-x=4 and x=4
x=-4 and x=4
Answer:
0.5
Explaintion: because it is half of the 50%