Answer: 0.973
Step-by-step explanation:
The probability mass function of geometric distribution is
, p= probability of success on a trial.
As per given, we have
p=0.7
The probability that we'll have at most 3 orders 

hence, the required probability = 0.973
Answer:
64 handshakes
Step-by-step explanation:
SO i would do:
1 person x 8 handshakes
8x8=64
8 people 8 hand shakes each
9 gallons.
first find the average gallons spent on 10 plants which is 3 gal, then multiply 10 by 3 to get 30. 3x3=9
Answer:
45 pages
Step-by-step explanation:
The unit rate is
10 pages /2 hours
5 pages per hour
We have 9 hours
5 pages per hour * 9 hours
45 pages
You get 75% which is .75, then you get 4/5 which is .80, and then .90