1800 divided by 25 is 72. He types 72 words per minute.
Answer:
10 weeks
Step-by-step explanation:
lets build a equation for this
500-30(x)........where x is the number of weeks
500-30(10)= $200 left
so she can maximum withdraw money for about 10 weeks
Answer:
for this question you need to take the 12p and 700 and add then dived by 2x which then gives you your answer
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
.