Answer:
11
Step-by-step explanation:
25% is 0.25 or 1/4
44 x 0.25 =11
Answer:
93.1%
Step-by-step explanation:
Answer:
(2,-2)
Step-by-step explanation:

4 days because he drinks 6 in two and 12 in 4 days.
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