« previous next »

Author Question: The annual precipitation for one city is normally distributed with a mean of 37.9 inches and a ... (Read 56 times)

jayhills49

  • Hero Member
  • *****
  • Posts: 559
on: Jul 25, 2018
The annual precipitation for one city is normally distributed with a mean of 37.9 inches and a standard deviation of 3.4 inches. Fill in the blanks.
 
  In 99.74 of the years, the precipitation in this city is between ___ and ___ inches.
 
  A) 31.1, 37.9 B) 37.9, 48.1 C) 31.1, 44.7 D) 27.7, 48.1

Question 2

An education researcher randomly selects 95 of the nation's junior colleges and interviews all of the professors at each school. What sampling technique was used?
 
  A) systematic
  B) stratified
  C) convenience
  D) cluster
  E) simple random


bpool94

  • Sr. Member
  • ****
  • Posts: 354
Reply #1 on: Jul 25, 2018
Answer to Question 1

D

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

China’s 8% annual increase in oil consumption China’s 8% annual increase in oil consumption
This girl ran four spinning machines in a cotton mill in Whitnel, North Carolina. Only 4 feet, 3 inc This girl ran four spinning machines in a cotton mill in Whitnel, North Carolina. Only 4 feet, 3 inc
An engine in good mechanical condition should produce 17 to 21 inches Hg of vacuum at idle at sea ... An engine in good mechanical condition should produce 17 to 21 inches Hg of vacuum at idle at sea ...
A gauge reading with the needle fluctuating 3 to 9 inches Hg below normal often indicates a vacuum ... A gauge reading with the needle fluctuating 3 to 9 inches Hg below normal often indicates a vacuum ...
A steady needle reading that rises 2 or 3 inches Hg when the engine speed is increased slightly ... A steady needle reading that rises 2 or 3 inches Hg when the engine speed is increased slightly ...
Distribution and Forms of Precipitation: Rain Distribution and Forms of Precipitation: Rain
Video: Vascular tissues in a corn stem and a buttercup root

For a complete list of videos, visit our video library