This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: For a standard normal distribution, determine the probabilities of obtaining the following z values. ... (Read 105 times)

Caiter2013

  • Hero Member
  • *****
  • Posts: 607
on: Aug 1, 2018
For a standard normal distribution, determine the probabilities of obtaining the following z values. It is helpful to draw a normal distribution for each case and show the corresponding area.
 a. Greater than zero
  b. Between -2.4 and -2.0
  c. Less than 1.6
  d. Between -1.9 to 1.7
  e. Between 1.5 and 1.75

Question 2

The driving time for an individual from his home to his work is uniformly distributed between 300 to 480 seconds.
 a. Determine the probability density function.
  b. Compute the probability that the driving time will be less than or equal to 435 seconds.
  c. Determine the expected driving time.
  d. Compute the variance.
  e. Compute the standard deviation.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

moormoney

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Aug 1, 2018
Answer to Question 1

a. 0.5
b. 0.146
c. 0.9452
d. 0.9267
e. 0.0267

Answer to Question 2

a. 1 180
b. 0.75
c. 390
d. 2700
e. 51.96


Caiter2013

  • Hero Member
  • *****
  • Posts: 607
Reply #2 on: Aug 1, 2018
TY


moormoney

  • Sr. Member
  • ****
  • Posts: 326
Reply #3 on: Aug 1, 2018
You're welcome


« previous next »
 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

An electrocardiogram (ECG, EKG) is a commonly used procedure in which the electrical events associat An electrocardiogram (ECG, EKG) is a commonly used procedure in which the electrical events associat
Average Normal Blood Pressure Readings Average Normal Blood Pressure Readings
Neutrophils in a normal blood smear. Neutrophils in a normal blood smear.
How to determine if a quadratic equation has a maximum or minimum when given the roots How to determine if a quadratic equation has a maximum or minimum when given the roots
The Frequency Distribution Curve of a Drug The Frequency Distribution Curve of a Drug
The karyotype of an XYY male. Affected individuals are usually taller than normal, and some, but not The karyotype of an XYY male. Affected individuals are usually taller than normal, and some, but not
Video: Anaphylaxis Animation

For a complete list of videos, visit our video library