« previous next »

Author Question: Suppose x is a random variable for which a Poisson probability distribution with = 8.7 provides a ... (Read 33 times)

ericka1

  • Hero Member
  • *****
  • Posts: 544
on: Jul 24, 2018
Suppose x is a random variable for which a Poisson probability distribution with  = 8.7 provides a good characterization. Find  for x.
 
  A) 8.7 B) 2.95 C) 4.4 D) 75.69

Question 2

Construct a 90 confidence interval for the population mean, . Assume the population has a normal distribution. In a recent study of 22 eighth graders,
 
  the mean number of hours per week that they played video
  games was 19.6 with a standard deviation of 5.8 hours. Round to the nearest hundredth.
  A) (17.47, 21.73 ) B) (18.63, 20.89 ) C) (5.87, 7.98 ) D) (19.62, 23.12 )


Eazy416

  • Sr. Member
  • ****
  • Posts: 360
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

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?

The horizontal fraction bar was introduced by the Arabs.

Mediterranean woodland and shrubland distribution and climate. Mediterranean woodland and shrubland distribution and climate.
Controlled Experiments Manipulate a Variable Controlled Experiments Manipulate a Variable
Refraction Through Uniform and Variable Thickness Glasses Refraction Through Uniform and Variable Thickness Glasses
Variable Gases of the Atmosphere Variable Gases of the Atmosphere
Distribution and Forms of Precipitation: Snow Distribution and Forms of Precipitation: Snow
How the Return to Education Affects the Distribution of Income How the Return to Education Affects the Distribution of Income
Video: T cell receptors

For a complete list of videos, visit our video library