1/2, 4/8. If in decimal form, you can also do 0.5 or 0.500
Answer:(-2,7)
Step-by-step explanation:
Your problem did not have an operator between the x and 1 so I did it as subtraction and addition. There was no answer choice -3 so D x=-9 is the answer
Answer:
30 men
Step-by-step explanation:
In order to be sure that the sample mean does differ from the population mean by more than 0.90, the sample size (n) that should be used is given by:

Where 'Z' , for a 95% probability is 1.960, 's' is the standard deviation of 2.5 inches:

Rounding up to the nearest whole number, the sample size should be at least 30 men.
N + 2 = 13
-2 -2
n = 11
I hope this helps!