Answer:
The percent price reduction was 15.83%
Step-by-step explanation:
we know that
In this problem
$379 represent the 100%
so
using proportion
Find out what percentage represent the difference between the original price and the final price

Answer:
C 714,696
Step-by-step explanation:
89,337 x 8 =
I know that the value of the test statistic is z= -1.00 given the information I just read from your upload.
I want to say B. Fail to Reject Null Hypothesis
But I'm not a 100% sure it's actually B