Answer:
.
14
Step-by-step explanation:
Correct answer is the 4th choice 16!!!
Hope this helps!!!
The sum of two numbers will be zero when you have the same number and one is positive and one is negative. For example 1 + -1= 0
Answer:
E(X ¯)=210,000.
Step-by-step explanation:
A sampling distribution for samples of size n=49 from a population with means μ=210,000 and standard deviation σ=35,000, has the following means anda standard deviation:

If X ¯ is the mean sales price of the sample, it will have a mean value of E(X ¯)=210,000.