Problem 2.Consider an auto mechanic evaluating their performance. They decide to use two categories for evaluation "ontime" and "satisfactory". Any single repair job can be performed either on time or late and it can be eithersatisfactory or unsatisfactory. After sorting through their records, they determine that the probability of a repairbeing on time is 0.74. The probability of a repair being satisfactory is 0.41. The probability of a repair beingsimultaneously on time and satisfactory is 0.26. What is the probability of a repair being simultaneously late andunsatisfactory?

A repair job can be either late or on time.A repair job can be either satisfactory or…

Answered: Consider an auto mechanic evaluating…

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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Similar questions

A baseball player has a batting average of 0.31. What is the probability that he has exactly 4 hits in his next 7 at bats? In the box below, type in what you entered into the calculator to get your answers for each question. If you used the online Statistics Calcuator, indicate the screens used, and any values of input variables.
According to TMUSS Quarterly (Totally Made-Up Sports Statistics) April 2017, the probability that the Tampa Bay Buccaneers will score a touchdown on their opening drive is 0.38. The probability that their defense will have 3 or more sacks in the game is 0.21. The probability that the Bucs will both score a touchdown on their opening drive and have 3 or more sacks in the game is 0.05. What is the probability that they will either score a touchdown on the opening drive or have 3 or more sacks in the game?
A box contains red and green balls. Two balls are randomly selected without replacement. The probability of selecting a red and then a green ball is 0.5. The probability of selecting a red ball in the first pick is 0.5. What is the probability of picking a green ball, given that the first ball picked was red?
A poll showed that 68.5% of Americans say they believe that statistics teachers know the true meaning of life. What is the probability (in percent form) of randomly selecting someone who does not believe that statistics teachers know the true meaning of life.
Based on past experience, the store manager estimates that the probability that any one customer will make a purchase is .30. What is the probability that two of the next three customers will make a purchase?
You are interested in the number of people that will visit your restaurant in the noon hour. Historically, there is a 10% chance that more than 10 customers will visit, a 30% chance that more than 8 customers will visit, a 50% chance that more than 6 customers will visit, a 80% chance that more than 4 customers will visit, and a 95% chance that at least 2 customers will visit during the noon hour. What is the probability that 4 or less customers will visit the restaurant -- the number required to break even financially for the day?Express your answer as a percent value. So if your answer is 100% for example, enter 100. Round your answer to the nearest percent.
The probability of working on Saturday is 0.52. The probability of working on Sunday is 0.61. The probability of not working on either day is 0.12. What is the probability that you work both days?
Approximately 2 percent of Americans ages 50-60 have lung cancer. A patient with lung cancer has a 91 percent chance of a positive test. A patient without lung cancer has a 8 percent chance of a positive test (a false positive result). Complete the table below, then answer the questions below the table. Give all answers as decimals to 4 decimal places. Positive test result Negative test result Total Has lung cancer Does not have lung cancer Total What is the probability a patient has lung cancer given that she just had a positive test? Give answer as decimals to 4 decimal places.
According to TMUSS Quarterly (Totally Made-Up Sports Statistics) April 2017, the probability that the Tampa Bay Buccaneers will score a touchdown on their opening drive is 0.26. The probability that their defense will have 3 or more sacks in the game is 0.15. The probability that the Bucs will both score a touchdown on their opening drive and have 3 or more sacks in the game is 0.06. What is the probability that they will either score a touchdown on the opening drive or have 3 or more sacks in the game?
You will take either a basket weaving class or a philosophy class, depending on what your advisor decides. You estimate that the probability of getting an A in basket weaving is 0.35 (it is a hard class), while in philosophy your probability of getting an A is 0.84. However, your major is straw construction, and the chance of your advisor choosing the philosophy class is only 40%. What is the probability that you get an A? The probability that you get an A is (Give the exact simplified probability.)
In world cup soccer the probability that a soccer team makes a penalty kick goal is about 72.5%. If a team attempts five consecutive penalty kicks, what is the probability that they will make at least one of the five attempts
Approximately 70% of statistics students do their homework in time for it to be collected and graded. Each student does homework independently. In a statistics class of 50 students, what is the probability that at least 40 will do their homework on time? Students are selected randomly. What is a “failure” in words?

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