Author Question: Many firms use on-the-job training to teach their employees computer programming. Suppose you work ... (Read 46 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?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

For a complete list of videos, visit our video library