Step-by-step explanation:
the answer is in picture
Answer: z= -1.636
Step-by-step explanation:
When population standard deviation is known, then the test statistic is given by :-

, where
= sample mean,
= population mean, n=sample size ,
= standard deviation
As per given,

Hence, the e test statistic to see whether the candy bars are smaller than they are supposed to be : z= -1.636
Answer:
A, Interest
Step-by-step explanation:
interest is a fee paid for borrowing money or other assets
I think it'd be 1 because well all you are doing is multiplying 1, 8 times. That is only if you meant the I to be 1.
A $36 item is 25% off. This means we can multiply 36 by 0.25 to find out how big the discount is.
$36*0.25=$9