« previous next »

Author Question: The sample space refers to _____. a. any particular experimental outcome b. the sample size minus ... (Read 113 times)

schs14

  • Hero Member
  • *****
  • Posts: 569
on: Jun 24, 2018
The sample space refers to _____.
 a. any particular experimental outcome
  b. the sample size minus 1
  c. the set of all possible experimental outcomes
  d. both any particular experimental outcome and the set of all possible experimental outcome

Question 2

The makers of a soft drink want to identify the average age of its consumers. A sample of 55 consumers was taken. The average age in the sample was 21 years with a standard deviation of 4 years.
 a. Construct a 95 confidence interval for the true average age of the consumers.
  b. Construct an 80 confidence interval for the true average age of the consumers.
  c. Discuss why the 95 and 80 confidence intervals are different.
Statistics, Data Analysis, and Decision Modeling ¦ Evans ¦ 5th Edition
Buy Test-Bank


milbourne11

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jun 24, 2018
Answer to Question 1

c

Answer to Question 2

a. 19.92 to 22.08 years (rounded)
b. 20.30 to 21.70 years (rounded)
c. As the level of confidence decreases, the confidence interval gets narrower.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Loewi's experimental discovery of chemical neurotransmission. Loewi's experimental discovery of chemical neurotransmission.
Relationship between body size and seed size in Galapagos finch species Relationship between body size and seed size in Galapagos finch species
Biodiversity Depends on the Size of Habitat Biodiversity Depends on the Size of Habitat
Sample Exercise Program for Limited Older Adults (cont.) Sample Exercise Program for Limited Older Adults (cont.)
Parenting Styles Reported by a Representative Sample of American Adolescents Parenting Styles Reported by a Representative Sample of American Adolescents
Two stubby screwdrivers used to access screws that have limited space above. A straight blade is on ... Two stubby screwdrivers used to access screws that have limited space above. A straight blade is on ...
Video: Peptide Bond Formation Animation

For a complete list of videos, visit our video library