This topic contains a solution. Click here to go to the answer

Author Question: Doubling the size of the sample will _____. a. reduce the standard error of the mean to one-half ... (Read 144 times)

Kikoku

  • Hero Member
  • *****
  • Posts: 540
Doubling the size of the sample will _____.
 a. reduce the standard error of the mean to one-half its current value
  b. reduce the standard error of the mean to approximately 70 of its current value
  c. have no effect on the standard error of the mean
  d. double the standard error of the mean

Question 2

An insurance company has determined that each week an average of 9 claims are filed in its Atlanta branch. What is the probability that during the next week
 a. exactly 7 claims will be filed?
  b. no claims will be filed?
  c. less than 4 claims will be filed?
  d. at least 18 claims will be filed?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Bigfoot1984

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

b

Answer to Question 2

a. .1171
b. .0001
c. .0212
d. .0053




Kikoku

  • Member
  • Posts: 540
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review


ryhom

  • Member
  • Posts: 366
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

For a complete list of videos, visit our video library