subject
Mathematics, 22.05.2020 05:59 arunamvr

(8 points) A nationwide survey of working adults indicates that only 50% of them are satisfied with their jobs. The president of a large company believes that more than 50% of employees at his company are satisfied with their jobs. To test his belief, he surveys a random sample of 100 employees, and 54 of them report that they are satisfied with their jobs. Can he conclude that more than 50% of employees at the company are satisfied with their jobs? Use the α = 0.05 level of significance. State: Write the null and alternative hypotheses and label all given values with appropriate notation. Plan: 1. Is it a simple random sample? 2. Is our population size large enough so that our sample is independent? 3. Can we use a normal distribution with our sample? Do: Find z-score and P-value using a calculator or chart. What is the result? Conclude: Interpret your result in the context of the problem

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 21:30
Which of the following is a solution of z^6 = 64i? 2(cos105° + isin105°) 2(cos120° + isin120°) 2(cos135° + isin135°) 8(cos15° + isin15°)
Answers: 1
question
Mathematics, 21.06.2019 22:00
There are 3232 forwards and 8080 guards in leo's basketball league. leo must include all players on a team and wants each team to have the same number of forwards and the same number of guards. if leo creates the greatest number of teams possible, how many guards will be on each team?
Answers: 2
question
Mathematics, 21.06.2019 22:40
The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?
Answers: 1
question
Mathematics, 21.06.2019 23:10
In which quadrant does the point lie? write the coordinates of the point. a. quadrant ii; (–2, –4) b. quadrant iii; (2, 4) c. quadrant iii; (–2, –4) d. quadrant iv; (–4, –2)
Answers: 3
You know the right answer?
(8 points) A nationwide survey of working adults indicates that only 50% of them are satisfied with...
Questions
question
Mathematics, 29.01.2021 20:40
question
Mathematics, 29.01.2021 20:40
question
Chemistry, 29.01.2021 20:40
question
Mathematics, 29.01.2021 20:40
Questions on the website: 13722363