Author Question: The annual precipitation for one city is normally distributed with a mean of 37.9 inches and a ... (Read 55 times)

jayhills49

  • Hero Member
  • *****
  • Posts: 559
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
Answer to Question 1

D

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Your heart beats over 36 million times a year.

For a complete list of videos, visit our video library