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 71 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?

The FDA recognizes 118 routes of administration.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Summation of Heart Sounds, Normal S2 Summation of Heart Sounds, Normal S2
Normal Values for Urinalysis Testing Normal Values for Urinalysis Testing
A finger-stick is useful for obtaining small amounts of blood. A finger-stick is useful for obtaining small amounts of blood.
(a) In normal nerve conduction, sodium ions (Na+) enter the sodium channels along a neuron and ... (a) In normal nerve conduction, sodium ions (Na+) enter the sodium channels along a neuron and ...
Normal tympanic membrane with cone of light and process of malleus Normal tympanic membrane with cone of light and process of malleus
Normal (emmetropic) eye Normal (emmetropic) eye
Video: Role of the respiratory system - effect of altered ventilation rates

For a complete list of videos, visit our video library