A manufacturing firm finds that 70% of its new hires turn out to be good workers and 30% turn out to be poor workers. All current workers are advised to qualify a reasoning test. Of the good workers, 80% pass it and 40% of the poor workers pass it. If the company makes the reasoning test be a part of its hiring procedure, what then is the probability of the new hires that will turn out to be; i. Good workers?   ii. Poor workers?   iii. Depict the above probabilities on the Bayes’ tree diagram.

Q: 3. A jar contains 6 red, 7 white, and 7 blue marbles. If a marble is chosen at random, find the…

A:

Q: Use the following results from a test for marijuana use, which is provided by a certain drug testing…

A: Among 148 subjects with positive test results, there are 24 false positive results; among 159…

Q: 5. At Jaxlyn's Garage, 200 cars were inspected and repaired. There were 92 cars that needed new…

A: Probability of an event is computed by taking the ratio of number of favourable outcomes of the…

Q: Of the employees at a store, 15% are nightshift workers, 50% are cashiers, and the rest are…

A:

Q: The outcomes of two variables are (Low, Medium, High) and (On, Off), respectively. An experiment is…

A: It is given that A: {On}.

Q: a. You are going to choose a number randomly from the set {1, 2, 3, . 23, 24}. What is the…

A: Given that  Set of numbers=S=(1,2,3,_______,23,24) n(S)=24 Number divisible by 4=A=(4,8,12,16,20,24)…

Q: A group of students at a high school took a standardized test. The number of students who passed or…

A: It is required to fill the blanks regarding independence of the events.

Q: A cohort of students in a linguistics program speak a variety of languages. Following a survey, it…

A: Given that A cohort of students in a linguistics program speak a variety of languages. Following a…

Q: tendance at a sporting event in a following pattern. If it is extremely cold, the attendance will be…

A:

Q: Choose the answer to both correctly and read carefully. Deals with two way tables Venn diagram and…

A: Given  P(true headline)= 0.90, P(false headline)=0.82, P( true headline and false headline)=0.75

Q: the school are female. Of ride. Of the males, 54% Brentwood student at udents gets a ride to

A: E1: Male   P(E1) = 0.48 E2: Female  P(E2) = 0.52 A: Walk to School P(A|E1) = 0.54 P(A|E2) = 0.4

Q: Jimmy has a drawer with eight pairs of socks, of which four pairs are yellow (Y) and four pairs are…

A: Given: Total number of pairs  = 8 = (16 socks) Number of Yellow pairs = 4 = (8 socks) Number of Red…

Q: Jason receiving 90 points are : Geno and Smith collaborated in a Math256 Midterm recently and both…

A: Jason received 90 points are: Geno and Smith collaborated on a Math 256 Midterm recently and both…

Q: The table below shows the number of students who play different instruments ina music class…

A: The frequency distribution of number of students who play different instruments in a music class is…

Q: We do a survey of student devices. We find that 40% of students own a desktop computer, and 30% of…

A: Obtain the probability that a randomly chosen student has both a desktop and a play station.   The…

Q: Use the following results from a test for marijuana use, which is provided by a certain drug testing…

A: From the provided information,Tested PositiveTested NegativeTotalUse Marijuana1232125Did not use…

Q: Send data to Excel Bet placed the following week Picked Crush Picked Crush Total to win to lose 43…

A: We complete the table using the given formula. It is known that, Expected frequency= (row total*…

Q: A computer, with or without a wireless mouse, is designed in either black, silver, or gray. There is…

A:

Q: An experiment consists of picking a card at random from a standard deck of 52 cards. Find the…

A:

Q: Can babies reason probabilistically? A study investigates this by showing ten- to twelve-month-old…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks   Sample size, n…

Q: Use the following results from a test for marijuana use, which is provided by a certain drug testing…

A: The data can be described as   Positive Negative Total Marjuana 122 4 126 Not Marjuana 21 149…

Q: A toy chest contains 8 blonde barbies, 7 red haired barbies, and 6 brunette barbies. Five barbies…

A: Solution: a. From the given information, a toy chest contains 8 blonde barbies, 7 red haired barbies…

Q: Bruce is playing a game. This is a game in which seven distinct random numbers are chosen from the…

A: Given, Bruce is playing a game in which seven distinct random numbers are chosen from the digits 1,…

Q: Which of the following rows shows the probabilities of the three Outcomes? ww

A: Here given spinner is shape of circle  So Total angle 360  And number  2 make 90 degree While 3 and…

Q: 2. Suppose that 62% of voters plan to vote in the next election. If you survey 12 voters, what is…

A: 2. From the information, number of voters n = 12. The 62% of voters plan to vote in the next…

Q: d. Those that have exactly one of the boards. 2. Construct a table to display the data in number 1.

A: Here Given  No of Micro computer  with printer =N(P)=10 No of Micro computer with modem =N(M)=5  and…

Q: Beth is taking an eleven​-question ​multiple-choice test for which each question has three answer​…

A: Introduction: In a fair die, there are 6 possible outcomes, 1, 2, ..., 6, all of which are equally…

Q: Alogional automobile dealership sent out fliers to prospective customers indicating that they had…

A: Given:

Q: ACTIVITY 1. WHAT'S MY CHANCE? Direction: Write the probability that the following events could…

A: Probability of an event is the number of favorable outcomes divided by the total possible outcomes.…

Q: Cravings by Chrissy Teigen is a signature line of kitchen tools. Two factories make the saucepan.…

A: let  represent the event that the saucepan comes from factory A, represent the event that the…

Q: In a sample of 150 residents, each person was asked if he or she favored the concept of having a…

A: We have given the following tableResidence Favour Oppose Total In the city 6040100Outside the city…

Q: Use the following results from a test for marijuana use, which is provided by a certain drug testing…

A: Contingency Table   Positive Negative Total use marijuana 121 5 126 did not use marijuana 25…

Q: Engineer wishes to investigate the punctuality of electric trains by considering a number of train…

A: Let  B1 be the event had a destination for new work  B2 be the event had a destination for chicago…

Q: A high school gym class is being divided up into two teams to play a game of basketball. The teacher…

A: This is an example of dependent events with no replacement. The teacher select name of person is…

Q: A cell phone salesperson has kept records on the customers who visited his store. Forty percent of…

A: Given information: 40% of the customers who visited the store were female. 35% of the females who…

Q: Suppose it is known that in a certain population, 10% of the people are color-blind.  If a random…

A: OUTPUT :

Q: Consider a standard deck of 52 playing cards. You draw one card at random. Determine the following…

A: Note: For a question with more than 4 parts, it is instructed to answer only the first three. Given:…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.