Answer:
E. -1.48
Step-by-step explanation:
The test statistic is:

In which X is the sample mean,
is the expected value,
is the standard deviation and n is the size of the sample.
A market research analyst claims that 32% of the people who visit the mall actually make a purchase.
This means that:


You stand by the exit door of the mall starting at noon and ask 82 people as they are leaving whether they bought anything. You find that only 20 people made a purchase.
This means that 
The value of the test statistic is about:



So the correct answer is given by option E.
Let s = shirts
let t = ties
2s + t = 42
s + 2t = 39
s = 15
t = 12
one shirt equals $15
18+12*4=18+48=66 ft
1st floor is 18ft
next 4 are 12ft
Answer:
C or d
Step-by-step explanation:
True cus from point a and b is very low so true slime