Homework Help is Here – Start Your Trial Now!
Math
Statistics
A company is worried about the high turnover of its employees and decides to investigate whether they are more likely to stay if they are given training. On 1 January one year the company was employing 256 people (excluding those about to retire). During that year a record was kept of who received training as well as who left the company. The results are summarised in this table.

A company is worried about the high turnover of its employees and decides to investigate whether they are more likely to stay if they are given training. On 1 January one year the company was employing 256 people (excluding those about to retire). During that year a record was kept of who received training as well as who left the company. The results are summarised in this table.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 13PT
See similar textbooks
icon
Related questions
Question
A company is worried about the high turnover of its employees and decides to investigate whether they are more likely to stay if they are given training. On 1 January one year the company was employing 256 people (excluding those about to retire). During that year a record was kept of who received training as well as who left the company. The results are summarised in this table. Still employed Left company Total Given training 109 43 152 Not given training 60 44 104 Totals 169 87 256 (i) Find the probability that a randomly selected employee: (a) received training (b) received training and did not leave the company. (ii) Are the events T and S independent? (iii) Find the probability that a randomly selected employee: (a) did not leave the company, given that the person had received training (b) did not leave the company, given that the person had not received training.
Transcribed Image Text:A company is worried about the high turnover of its employees and decides to investigate whether they are more likely to stay if they are given training. On 1 January one year the company was employing 256 people (excluding those about to retire). During that year a record was kept of who received training as well as who left the company. The results are summarised in this table. Still employed Left company Total Given training 109 43 152 Not given training 60 44 104 Totals 169 87 256 (i) Find the probability that a randomly selected employee: (a) received training (b) received training and did not leave the company. (ii) Are the events T and S independent? (iii) Find the probability that a randomly selected employee: (a) did not leave the company, given that the person had received training (b) did not leave the company, given that the person had not received training.
Expert Solution
steps

Step by step

Solved in 3 steps with 4 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
SEE MORE TEXTBOOKS