Answer:
d
Step-by-step explanation:
dddddddddddddddddddddddddddd
Answer:
0.0668
Step-by-step explanation:
Assuming the distribution is normally distributed with a mean of $75,
with a standard deviation of $12.
We can find the z-score of 78 using;
Using our normal distribution table, we obtain the area that corresponds to 0.25 to be 0.9332
This is the area corresponding to the probability that, the average is less or equal to 78.
Subtract from 1 to get the complement.
P(x>78)=1-0.9332=0.0668
Answer:
-2
Step-by-step explanation:
0.7 is the answer. do you need me to walk you through it? ;-)