« previous next »

Author Question: An experiment consists of tossing four coins successively. The number of sample points in this ... (Read 160 times)

BRWH

  • Hero Member
  • *****
  • Posts: 553
on: Jun 24, 2018
An experiment consists of tossing four coins successively. The number of sample points in this experiment is _____.
 a. 16
  b. 8
  c. 4
  d. 2

Question 2

You are given the following information obtained from a random sample of 6 observations. Assume the population has a normal distribution. 14 20 21 16 18 19
 a. What is the point estimate of ?
  b. Construct an 80 confidence interval for .
  c. Construct a 98 confidence interval for .
  d. Discuss why the 80 and 98 confidence intervals are different.


huda

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jun 24, 2018
Answer to Question 1

a

Answer to Question 2

a. 18
b. 16.43 to 19.57 (rounded)
c. 14.42 to 21.58 (rounded)
d. As the level of confidence increases, the confidence interval gets wider.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

The swan neck flask experiment The swan neck flask experiment
The WISC-IV: Sample Items The WISC-IV: Sample Items
Control points in pyrimidine synthesis Control points in pyrimidine synthesis
The Location and Number of Food- and Beverage-Processing Facilities The Location and Number of Food- and Beverage-Processing Facilities
The Taylor–Woods–Hughes experiment The Taylor–Woods–Hughes experiment
(left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur (left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur
Video: Cardiac Cycle (Part 1 of 4)

For a complete list of videos, visit our video library