« previous next »

Author Question: The annual precipitation for one city is normally distributed with a mean of 37.9 inches and a ... (Read 58 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?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

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?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

The giant grass hoppers are invading the city! The giant grass hoppers are invading the city!
Working and Living and Playing in the City Dump of Phnom Penh, Cambodia Working and Living and Playing in the City Dump of Phnom Penh, Cambodia
Working and Living and Playing in the City Dump of Phnom Penh, Cambodia Working and Living and Playing in the City Dump of Phnom Penh, Cambodia
Types of Precipitation Types of Precipitation
Precipitation Precipitation
Annual Energy Flow: Silver Springs Annual Energy Flow: Silver Springs
Video: Appendicitis Animation

For a complete list of videos, visit our video library