Answer:
wut?
Step-by-step explanation:
Answer: -2.10
Step-by-step explanation:
Given : 

Sample size : n= 50, since the sample size is greater than 30 , so we apply z-test.
Sample mean : 
Standard deviation : 
The test statistic for population mean :-

i.e. 
Hence, the value of the test statistic = -2.10
Answer:
combined area of the two figures is a minimum? (Round your answers to two decimal places.)
Step-by-step explanation:
Answer:
See the attached photo for the calculations and answers
Step-by-step explanation:
The calculations and explanations are shown in the 3 attached photos below.