120.96! You can round that if you'd like.
Answer:
a) 2.6
b) -15
c) 9
d) 
e) 1.26
Step-by-step explanation:
Answer: 0.74
Step-by-step explanation:
Given : The probability that the passengers booked for a certain flight actually show up : p=0.80
The number of passengers are randomly selected : n= 9
Binomial probability formula to find the probability of getting success in x trial :-

Then , the probability that more than 6 of them show up will be :-

Hence, the probability that more than 6 of them show up = 0.74
Answer:
x=7/2
Step-by-step explanation: