A local trade union consists of plumbers and electricians. Classified according to rank: Apprentice Journeyman Master Plumbers 55 40 10 Electricians 25 40 10 A member of the union is selected at random. Given that the person selected is an electrician, the probability that he is a master is:

A local trade union consists of plumbers and electricians. Classified according to rank: Apprentice Journeyman Master Plumbers 55 40 10 Electricians 25 40 10 A member of the union is selected at random. Given that the person selected is an electrician, the probability that he is a master is:

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...

See similar textbooks

Related questions

Q: Match these values of r with the accompanying scatterplots: - 1, -0.994, -0.423, 1, and 0.772. W…

A: Solution If the increase in one variable will result increase the in other variable then they are…

Q: 0 % 2

A: 0 % 2

Q: 14% of the towns population is over the age of 65 if there are 3320 residence over the age of 65…

A: Given Information:Data on the town population with the age over is provided.There are people in…

Q: In a shipment of 500 light bulbs, 25 of them were broken. What percentage of the light bulbs were…

A: Given , In a shipment of 500 light bulbs , 25 of them were broken . We have to find the percentage…

Q: 2. Find the values of x and y 63 56 y%=. 51= +12y + 3 63

A: Use the triangle property that sum of angles is 180°

Q: Jerry has a stack of coloured paper. 5/8 of the sheets of paper are blue. 30% of the remaining…

A: Jerry has a stack of coloured paper. 5/8 of the sheets of paper are blue. 30% of the remaining…

Q: 73% of the community did not agree with the proposal. The community has 1750 members. How many do…

Q: 3.75x−5−8.75x+4.5+0.5

Q: Let A = {H, T}, B = {1, 2, 3, 4, 5, 6}, and C = {red, green, blue, black}. Find the number…

A: Number of elements in set C×C×C is: nC×C×C=64.

Q: among students of a certain university 38 like peanut butter, 34% like nutella, and 12% like both.…

A: It is given that:Proportion of students like peanut butter: Proportion of students like nutella:…

Q: Average speed on a freeway is 80 mph. Among all vehicles 65% drive 8 miles above the speed limit…

A: Average speed on a freeway is 80 mph. Among all vehicles 65% drive 8 miles above the speed limit of…

Q: 6% of 800 boxes of juice are delivered to M&C convenience store, 23% to St. George store, and 42% to…

A: Given that of boxes of juice are delivered to M&C convenience store, to St. George store, and…

Q: if 20% of vehicles are blue and 1/3 of blue vehicles are trucks what fraction of blue vehicles are…

A: 20% of vehicles are blue Convert 20% into fraction.

Q: What is the area of a regular hexagon inscribed in a circle of radius 9 meters?

A: Given : Radius = 9 meters

Q: At a popular vacation spot in Arizona, the Arizona Tourism Board took a survey of 100 people to…

A: Complete the two way table and Find P ( who are from Arizona or who used a car ) = ? %

Q: An appliance store sells additional warranties on its refrigerators. Twenty percent of the buyers…

A: We have given following information: of buyers buy the limited warranty for . of buyers buy the…

Question

A 13.3%

B 26.6%

C 39.9%

D 53.2%

A local trade union consists of plumbers and electricians. Classified according to rank:
Apprentice Journeyman
Master
Plumbers
55
40
10
Electricians
25
40
10
A member of the union is selected at random. Given that the person selected is an electrician, the probability that he is a master is:

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

4 6 Let A = -5 4 Find 4A. 4A = %3D
25% of _____ = 10
20% of 60 = __________
A team of students lined up dominoes on the gym floor. Of the 400 dominoes they used, 25% fell over. How many dominoes fell over?
one hundred and fifty copies of each of two independent brochures were mailed out there were 30 responses generated by the 1st brochure and 12 by the 2nd brochure find the 90 % c.i for pbroch1-pbroch2.
In a town of 3,000 people, 600 are over 50 years of age and 400 are left-handed. It is also known that 15% of all left-handers in the town are over 50 years of age. How many people in the town are left-handed, over 50 years of age, or both?
13% of 45 = ____
Carl Catcher has a batting average of .370, meaning that he makes a hit 37% of the times he is up at bat. Pete Pitcher has a batting averager of only .110. Let x be the number of times Carol comes up to bat and let y be the number of times Pete comes to bat. a. If Carl bats 7 times and Pete bats 3 times, what should ther overall batting average be? b. If a total of 50 times at bat, how many times may Pete bat in order for their combined average to be as close as possible to .300? (define 3 variables, write system and solve)
At a certain university, 77.6% of 20,712 students were undergraduates in fall semester of a given year. How many undergraduates were there? There were O undergraduates. (Round to the nearest person as needed.) Activate Windows
Solve the problem. At the Jumping Jack cookie factory, quality assurance inspectors remove broken or otherwise defective cookies from a moving conveyor belt prior to packaging. Based on past studies, the plant manager knows that the inspectors eliminate 98% of the defective cookies at a conveyor belt speed of 9 feet per minute. As the belt speed increases, the factory can produce more cookies per hour, but at the cost of lower quality of the packaged product. Inspectors collect only 60% of defective cookies at a belt speed of 18 feet per minute. QA Inspector Efficiency Inspector efficiency, % defective cookies eliminated 100 90 60 |(9.98) 50- 10 11 12 13 14 15 Belt speed, feet per minute (18,60) 16 17 18 a. Find an equation of the line through the given points. Write the equation in slope-intercept form. Round the slope and y-intercept each to 1 decimal place. b. Use the equation from part (b) to predict the efficiency of the inspectors at a belt speed of 15 feet per minute. Round to…
An interdepartmental task force is being formed to investigate an increase in violent crimes. 1/5 of the task force will be police officers from the local precinct. 1/4 will be ATF agents, and the remaining 22 will be from the FBI. How many people are participating in the task force?
A hospital report indicates 25% of its patients had an MRI in January. If 1,060 patients were hospitalized in January, how many had an MRI?