Answer:
132 minutes
Step-by-step explanation:
1 Km = (60)(8)+15=495 seconds
4 mornings = (495)(4) =1980 seconds
4 weeks = (1980)(4) = 7920 sec.
7920/60 = 132 minutes
6.808 is the correct answer
Hope this helped you
15.5 times 5.26 is 81.53 and 80 is closest to that so D
Answer: 0.9660
Step-by-step explanation:
Given: Mean : 
Variance : 
⇒ Standard deviation : 
The formula to calculate z is given by :-

For x= -3

The P Value =
For x= 3
The P Value =

Hence, the probability that a given error will be between -3 and 3=0.9660