The event that either M1 or M2 fails has probability

by the addition rule. Failure events are independent, so

so that

Denote this probability by
. Then
follows a geometric distribution with this parameter
and has density

The expectation is
.
If the salesperson earns 3%, then that's 0.03*1400, which equals 42 dollars of commission
Yo sup??
Area of trapezium=1/2*(sum of opposite sides)*(height of trapezium)
=1/2*(12.5+17.5)*6
=1/2*30*6
=90 cm²
Therefore the correct answer is option A
Hope this helps.
Answer:
I think it's $59.37
because there are five friends and there is 5% taken away form what they really payed so you would do,
5*5=25 as a percentage it would be .25/25%
so..25%+$47.50=59.37500
Answer:
(A.)
Step-by-step explanation:
Hope it helps :)
Have a good day/night
Brainliest pls?