Question 32Beginning at 12:00 midnight, a computer center is up for 1 hour and then downfor 2 hours on a regular cycle. A person who is unaware of this schedule dialsthe center at a random time between 12:00 midnight and 5:00am. What is theprobability that the center is up when the person's call comes in?

Introduction: Between 12:00 midnight and 5:00am, there are 5 hours of time, within which, the person…

Answered: Question 32 Beginning at 12:00…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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In order to stay alert at work, an employee set a timer to go off randomly sometime within 40 minutes. What is the probability the timer will go off at exactly 8.25 minutes?
Exhibit 5-10The probability that Pete will catch fish on a particular day when he goes fishing is 0.8. Pete is going fishing 3 days next week. Refer to Exhibit 5-10. The expected number of days Pete will catch fish is?
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Question 1 According to the Chronicles of Contrived Statistics (March, 2016), the probability that scientists from Area 51 will begin selling pet aliens in the next month is 20%. The probability that either Elon Musk will offer you a free trip to space or that scientists will begin sales of pet aliens next month is 43%. Finally, they list that probability of both happening in the next month is 13%. What is the probability that Elon Musk will offer you a free trip into space in the next month? Round to two decimal places as needed.
Nissa is randomly pulling the medical records of a hospital's patients and collecting the records of those who have multiple stays at this hospital. Assume that 27% of all patients who have ever stayed at this hospital have multiple stays. What is the probability that the first multiple stays patient record that Nissa comes across is the fourth one she pulls? Use a TI-83, TI-83 Plus, or TI-84 calculator to find the probability. • Round your answer to three decimal places.
Question 20. A town has a clinic where people go to donate blood. One third of the persons donating blood at each of these clinics have O+ blood. What is the probability that in a randomly chosen day, it takes six donors to find two O* donor in the 6th donor of the day? (a) 0.3292 (b) 0.0329 (c) 0.1097 (d) 0.1314
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