Y=3x-4
Hope you get it turned in in time!!!
Sorry... you probably don't need the answer now but It is d...
I don't know who reported the last person but they are correct
Answer:
z=3.8196
Step-by-step explanation:
-We notice that this is a normal distribution problem.
-Given the mean is $8500, standard deviation is $1200 , and n=350, the critical z-value using alpha=0.05 is calculated as:

Hence, the test statitic is z=3.8196