(b)From a survey of 100 city residents, it was found that 30 read the daily newspaper, 60 watch theevening news, and 22 do both. What is the probability that a resident selection at random doesthe following? (hint: make tables)Reads the daily paper but does not watch the evening news?Does neither?If the probability distribution for the random variable X is given in the table, what is the expectedvalue of X? 7' 4X1Pi-20.1-10.200.410.220.1

Probability: If an experiment can result in any one of different, equally likely outcomes, and if…

Answered: (a) (b) From a survey of 100 city…

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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A Boston College survey consisted of 320 Michigan workers who were laid off between 1979 and 1984, I found that 20% had been out of work for at least two years. Suppose you were to select another random sample of 320 workers among all employees laid off between 1979 and 1984. Which It would be the probability that your sample percentage of unemployed workers. for at least two years, differs from the percentage obtained in the survey of Boston College, 5% or more?
The table below lists a random sample of 50 speeding tickets on a highway 0-10 mph over limit 10-20 mph over limit More than 20 mph over limit Male 5 16 14 Female 3 8 4 Use the table to answer the following questions. (a) If a random ticket was selected, what would be the probability that the driver was female? (b) Given that a particular ticket had a male offender, what is the probability that they were more than 20 mph over the limit? (c) Given that a particular ticket was 10-20 mph over the limit, what is the probability that the driver was female?
I need help with a, b, c and d.
above are listed the numbers of engineers in various fields by gender at a company. if you choose one engineer at random, what is P(biomedical|Female) which is read "the probability that the engineer is biomedical given that the engineer is female." Mechanical Electrical Biomedical Female 7 5 6 Male 2 3 7
PLS HELP !
Suppose that the probability that a person books an airline ticket using an online travel website is 0.72. Consider a sample of ten randomly selected people who recently booked an airline ticket.What is the probability that... (a) more than three out of ten people used an online travel website when they book their airline ticket? Round to thousandths. (b) fewer than 8 people used an online travel website when they book their airline ticket? Round to thousandths.
The table summarizes results from 986 pedestrian deaths that were caused by automobile accidents. DriverIntoxicated? Pedestrian Intoxicated? Yes No Yes 58 81 No 240 607 If two different pedestrian deaths are randomly selected, find the probability that they both involved drivers that were intoxicated.
To avoid detection at customs, a traveler places 7 narcotic tablets in a bottle that contains 14 apparently similar vitamin pills. If the customs officer selects 7 of the tablets at random from the bottle for analysis. What is the probability that the traveler will be arrested for illegal possession of narcotics? Answer: Answer What is the probability that the traveler will not be arrested for illegal possession of narcotics? Answer: Answer What is the average number of narcotic pills the customs officer can find? (if not an integer, round up to the next integer) Answer: Answer Note: Answer with at least 4 decimal places
Assume 97% of smart phones work (so the probability that a chosen smart phone works is .97). if three smart phones are tested at random, what is the probability that all three work? (three decimal places)
Of sample of 500 students, 83% had their student ID with them on that day. If another sample of 500 students were gathered, find the probability that 80-82% of the students had their ID.
An accounting firm has found that 8 out of 12 companies audited contain minor errors in their books. What is the probability that rd the 3 company audited contained the 1 minor error found.
During the 1971-72 season, the Los Angeles Lakers won 69 games and lost 13. Assuming that the outcomes of the basketball games are independent and that the percentageof wins this season will be the same as in 1971-1972, answer the following questions: (a) What is the probability that the Lakers will win the first twogames of the season? (b) What is the probability that the Lakers will win the first sevengames of the season?

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