Author Question: A bin contains 65 light bulbs of which 10 are defective. If 6 light bulbs are randomly selected from ... (Read 123 times)

kodithompson

  • Hero Member
  • *****
  • Posts: 566
A bin contains 65 light bulbs of which 10 are defective. If 6 light bulbs are randomly selected from the bin with replacement, find the probability that all the bulbs selected are good ones.
 
  A) 0 B) 0.846 C) 0.424 D) 0.367

Question 2

A poll of 2000 randomly selected students in grades 6 through 8 was conducted and found that 37 enjoy playing sports. Would confidence in the results increase if the sample size were 3100 instead of 2000? Why or why not?
 
  What will be an ideal response?



ju

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

D

Answer to Question 2

Yes. As the sample size increases, the sample statistics tend to vary less and they tend to be closer to the population parameter.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

For a complete list of videos, visit our video library