[solution]: 1. The management of a certain insurance company believes that

More Details:

Hello Profsolution,  I have an assignment to be submitted in the next five hours. Please let me know if you can answer it within that time.

1. The management of a certain insurance company believes that workers are more

productive if they are happy with their jobs. The company regularly conducts surveys, so

as to keep track of the satisfaction of their 815 workers. In a recent survey, the found out

that the mean job satisfaction score for all workers at the company was 13.25 (on a scale

of 1 to 20) and the standard deviation was 1.6. Assuming that the job satisfaction scores

of workers are normally distributed:

a. Calculate probability that a randomly selected worker will have a job satisfaction

score that is between 14 and 18.5? Interpret what your answer means.

b. A worker with a score of 9.0 or less is considered very unhappy with their job.

Give an approximate number of workers who are very unhappy with their jobs?

c. A worker with a score in the top 7% of scores is considered to be very happy

with his/her job. What is the minimum score needed to be considered very

happy? Round your answer to the nearest tenth. Which percentile have you just

found?

d. A worker in the company who has a score in the bottom 2.5% of scores is seen as

needing intensive job counseling with a job satisfaction score of ______ or

less. Fill in the blank.

2. Scores for a civil service exam are normally distributed and has variance of 47.61. To be

eligible for civil service employment, you have to score in the top 5%. If the lowest score

that you can earn and still be eligible for employment is an 84, what is the exam mean

score?

Solution details:
STATUS
QUALITY
Approved

This question was answered on: Dec 18, 2020

Solution~00031148133710.zip (25.37 KB)

This attachment is locked

We have a ready expert answer for this paper which you can use for in-depth understanding, research editing or paraphrasing. You can buy it or order for a fresh, original and plagiarism-free copy (Deadline assured. Flexible pricing. TurnItIn Report provided)

STATUS

QUALITY

Approved

Dec 18, 2020

EXPERT

Tutor