According to an​ airline, flights on a certain route are on time 80​% of the time. Suppose 10 flights are randomly selected and the number of​ on-time flights is recorded.   ​(a) Explain why this is a binomial experiment. ​(b) Find and interpret the probability that exactly 6 flights are on time. ​(c) Find and interpret the probability that fewer than 6 flights are on time.

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According to an​ airline, flights on a certain route are on time
80​%
of the time. Suppose
10
flights are randomly selected and the number of​ on-time flights is recorded.
 
​(a) Explain why this is a binomial experiment.
​(b) Find and interpret the probability that exactly
6
flights are on time.
​(c) Find and interpret the probability that fewer than
6
flights are on time.
​(d) Find and interpret the probability that at least
6
flights are on time.
​(e) Find and interpret the probability that between
4
and
6
​flights, inclusive, are on time.
​(a) Identify the statements that explain why this is a binomial experiment. Select all that apply.
 
A.
Each trial depends on the previous trial.
 
B.
The experiment is performed until a desired number of successes is reached.
 
C.
The probability of success is the same for each trial of the experiment.
 
D.
The experiment is performed a fixed number of times.
 
E.
The trials are independent.
 
F.
There are three mutually exclusive possibly​ outcomes, arriving​ on-time, arriving​ early, and arriving late.
 
G.
There are two mutually exclusive​ outcomes, success or failure.
 
 
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