Answer:
2, -3
Step-by-step explanation:
I think this is right.
Maybe just wait till someone else answers just to makae sure this is exactly the right answer.
Answer: -x^2 + 15x
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given the mean is 3.2, standard deviation is 0.8 and the sample size is 64.
-We calculate the probability of a mean of 3.4 as follows:
#First determine the z-value:

#We then determine the corresponding probability on the z tables:

Hence, the probability of obtaining a sample mean this large or larger is 0.0228
Answer:
$24
Step-by-step explanation:
You simply do $42-$18
=24