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
Answer:
Step-by-step explanation:
-7 = 1 + 2/3n
Subtract 1 from both sides:
-8 = 2/3n
Multiply both sides by 3:
-24 = 2n
Divide both sides by 2:
N= -12
The slope is 2/3 and the y intercept if you need it is -3