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:
-16 and -1
Step-by-step explanation:
-16 *-1 = 16
-16+-1=-17
Answer:
4+4=8 quickmaf
Step-by-step explanation:
Ggg4 fg5*6
Answer:
3:4
Step-by-step explanation:
probability = what wanted : total outcome
= 3 heads : 4 tosses
= 3 : 4