Answer:
Sample size = n = 37
Now we are supposed to find that the mean number of calls per salesperson per week is more than 42?
Since n > 30 so we will use z test
Formula :
Substitute the values
Z value at 0.100 is 1.64
Since the calculated z value is greater than the defined z value
So, we accept the null hypothesis
Hence we conclude that the mean number of calls per salesperson per week is not more than 42
Answer:
50,000 $
Step-by-step explanation:
Since its 8th , 9th , 10th, 11th, and 12th grade that's 5 years of throughout high school, so once he graduated high school Christopher ended up with 50,000 $. (5 × 10,000)