A manufacturing company has 5 identical machines that produce nails. The probability that a machine will break down on any given day is 0.1. Define a random variable x to be the number of machines that will break down in a day.
a.What is the appropriate probability distribution for x? Explain how x satisfies the properties of the distribution.
b.Compute the probability that 4 machines will break down.
c.Compute the probability that at least 4 machines will break down.
d.What is the expected number of machines that will break down in a day?
e.What is the variance of the number of machines that will break down in a day?
Correct Answer:
Verified
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q65: A salesperson contacts eight potential customers per
Q80: Twenty-five percent of all resumes received by
Q131: An insurance company has determined that each
Q132: In a southern state, it was revealed
Q133: Compute the hypergeometric probabilities for the following
Q134: A production process produces 90% non-defective parts.
Q136: Only 0.02% of credit card holders of
Q137: The student body of a large university
Q139: General Hospital has noted that they admit
Q140: A retailer of electronic equipment received six
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents