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:
P(largest or smallest) = 0.30 + 0.20 - 0.15
Step-by-step explanation
You combine the chances of doing the largest and smallest, without the chance of riding both.
Answer:the ANS to 4 significant figures is 51.92
Step-by-step explanation:u first find the area of the whole chord which is 150 divided by 360 multiplied by the π × 7^2 subtracted from the area of The triangle by doing 1/2×7×7sin150. I hope it helps
Answer: y=2x-3
Step-by-step explanation:
divide both sides by 7
7y/7=(14x-21)/7
y=2x-3
Answer:
500
Step-by-step explanation:
1/10 of 5000 is 500.
500 x 10 = 5000