Answer:
on what nothing there
Step-by-step explanation:
Answer:
16.92
Step-by-step explanation:
4 + 12.92 =
16.92
Answer: the answer is A
Step-by-step explanation:
Jus took the quiz
Answer: -1.33 .
Step-by-step explanation:
Formula to find the Z-score :

Given: Mean = 191 and Standard deviation = 21
Then , the z-score corresponding to the expected value of 163 will be :

Hence, the z score corresponding to selling 163 inhalers is -1.33 .