1. As part of their customer service assessment, a manufacturer compiled the table below showing wait times (rounded to the nearest minute) for calls to their appliance help center. Wait time (min) 4 8. 10 Number 16 55 87 101 87 63 42 16 13 What is P(X = 1)? a. What is the mean of the random variable in this problem? g. h. What is the variance for the random variable in this problem? Assume that five people independently place a service call to the appliance help center. What is the probability that the waiting time of exactly one person is less than or cqual to i. 4 min? j. Assume that five people independently place a service call to the appliance help center. What is the probability that exactly two people wait more than 4 min? k. Assume that five people independently place a service call to the appliance help center. What is the probability that at least one person waits more than 4 min?
1. As part of their customer service assessment, a manufacturer compiled the table below showing wait times (rounded to the nearest minute) for calls to their appliance help center. Wait time (min) 4 8. 10 Number 16 55 87 101 87 63 42 16 13 What is P(X = 1)? a. What is the mean of the random variable in this problem? g. h. What is the variance for the random variable in this problem? Assume that five people independently place a service call to the appliance help center. What is the probability that the waiting time of exactly one person is less than or cqual to i. 4 min? j. Assume that five people independently place a service call to the appliance help center. What is the probability that exactly two people wait more than 4 min? k. Assume that five people independently place a service call to the appliance help center. What is the probability that at least one person waits more than 4 min?
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![1. As part of their customer service assessment, a manufacturer compiled the table below showing
wait times (rounded to the nearest minute) for calls to their appliance help center.
Wait time (min)
4
8.
10
Number
16
55
87
101
87
63
42
16
13
What is P(X = 1)?
a.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F65a54057-de91-4407-81dc-84071bb6029d%2F7f1b6b6b-9c76-4f5c-8f88-241168cf2a22%2Fd5t9skj.jpeg&w=3840&q=75)
Transcribed Image Text:1. As part of their customer service assessment, a manufacturer compiled the table below showing
wait times (rounded to the nearest minute) for calls to their appliance help center.
Wait time (min)
4
8.
10
Number
16
55
87
101
87
63
42
16
13
What is P(X = 1)?
a.
![What is the mean of the random variable in this problem?
g.
h.
What is the variance for the random variable in this problem?
Assume that five people independently place a service call to the appliance help center.
What is the probability that the waiting time of exactly one person is less than or cqual to
i.
4 min?
j. Assume that five people independently place a service call to the appliance help center.
What is the probability that exactly two people wait more than 4 min?
k. Assume that five people independently place a service call to the appliance help center.
What is the probability that at least one person waits more than 4 min?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F65a54057-de91-4407-81dc-84071bb6029d%2F7f1b6b6b-9c76-4f5c-8f88-241168cf2a22%2Freefeuj.jpeg&w=3840&q=75)
Transcribed Image Text:What is the mean of the random variable in this problem?
g.
h.
What is the variance for the random variable in this problem?
Assume that five people independently place a service call to the appliance help center.
What is the probability that the waiting time of exactly one person is less than or cqual to
i.
4 min?
j. Assume that five people independently place a service call to the appliance help center.
What is the probability that exactly two people wait more than 4 min?
k. Assume that five people independently place a service call to the appliance help center.
What is the probability that at least one person waits more than 4 min?
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