Answer:
no
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
it's more a gut feeling
Answer:
the answer is 6
Step-by-step explanation:
6×3=18
So 6×5=30, 6×2=12
30-12=18
18=18
Answer: 0.60
Step-by-step explanation:
Given: Mean : 
Standard deviation : 
The formula to calculate z is given by :-

For x= 20 minutes

The P Value =
Hence, the probability that a randomly selected shopper will spend less than 20 minutes in the store= 0.60