Author Question: Many firms use on-the-job training to teach their employees computer programming. Suppose you work ... (Read 29 times)

saliriagwu

  • Hero Member
  • *****
  • Posts: 537
Many firms use on-the-job training to teach their employees computer programming. Suppose you work in the personnel department of a firm that just finished training a group of its employees to program, and you have been requested to review the performance of one of the trainees on the final test that was given to all trainees. The mean and standard deviation of the test scores are 74 and 4, respectively, and the distribution of scores is mound-shaped and symmetric. Suppose the trainee in question received a score of 65. Compute the trainee's z-score.
 
  A) z = -36 B) z = -2.25 C) z = 0.82 D) z = -9

Question 2

We believe that 78 of the population of all Business Statistics students consider statistics to be an exciting subject. Suppose we randomly and independently selected 29 students from the population and observed fewer than five in our sample who consider statistics to be an exciting subject. Make an inference about the belief that 78 of the students consider statistics to be an exciting subject.
 
  A) The 78 number is too low. The real percentage is higher than 78.
  B) The 78 number is exactly right.
  C) The 78 number is too high. The real percentage is lower than 78.
  D) It is impossible to make any inferences about the 78 number based on this information.



deja

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

B

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

For a complete list of videos, visit our video library