Answer:
a. 8.66 minutes
Step-by-step explanation:
Since the flight times are uniformly distributed, the standard deviation can be calculated as follows:

Where '<em>b' </em>is the maximum flight time (150 minutes) and '<em>a' </em>is the minimum flight time (120 minutes):

The distribution's standard deviation is 8.66 minutes.
Answer:c,d,f I think
Step-by-step explanation:
It would be 2m because each ticket is 2 dollars and then you have to multiply it by the number of tickets you are buying M
Answer:
16
Step-by-step explanation:
Answer:
43.97
Step-by-step explanation:
just minus both the numbers but dont forget to put the percentage after the 55