Answer:
The letter P represents 1/8 on the number line
Step-by-step explanation:
Divide the number of respondents saying it was useful by the total number
63/85 = 0.74
Step-by-step explanation:
a/b=662
a%chess issues
8=a/b equals exponent
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
.