Luke listens to the three most popular songs on the radio this week. The length of each song is shown. #1 song: 3 1/2 minutes #
1 answer:
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Answer:
1. 0.0000454
2. 0.01034
3. 0.0821
4. 0.918
Step-by-step explanation:
Let X be the random variable denoting the number of passengers arriving in a minute. Since the mean arrival rate is given to be 10,
1. Requires us to compute
2. We need to compute
3. The expected no. of arrivals in a 15 second period is = . So if Y be the random variable denoting number of passengers arriving in 15 seconds,
4. Here we use the fact that Y can take values . So, the event that "Y is either 0 or
1" is a sure event ( i.e it has probability 1 ).