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

Author Question: For a normal distribution with = 500 and = 100, find the following values: a. What X value ... (Read 34 times)

chads108

  • Hero Member
  • *****
  • Posts: 507
on: Jun 20, 2018
For a normal distribution with  = 500 and  = 100, find the following values:
 
  a. What X value separates the highest 10 of the distribution from the rest of the scores?
  b. What X values form the boundaries for the middle 60 of the distribution?
  c. What is the probability of randomly selecting a score greater than X = 475?

Question 2

For a normal distribution with a mean of  = 100 and a standard deviation of  = 10, find each of the following probabilities:
 
  a. p(X> 102) c. p(X< 130)
  b. p(X< 85) d. p(95


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

IAPPLET

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jun 20, 2018
Answer to Question 1

a. z= 1.28 X = 628
b. z = 0.84 X = 416 to 584
c. z = 0.25 p = 0.5987

Answer to Question 2

a. z = 0.20 p = 0.4207
b. z = 1.50 p = 0.0668
c. z = 3.00 p = 0.9987
d. z = 0.50 p = 0.3830


chads108

  • Hero Member
  • *****
  • Posts: 507
Reply #2 on: Jun 20, 2018
Thank you!


IAPPLET

  • Sr. Member
  • ****
  • Posts: 333
Reply #3 on: Jun 20, 2018
Happy to help


« previous next »
 

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

The Configuration, Normal Pressures, and Oxygen Content of the Heart Chambers The Configuration, Normal Pressures, and Oxygen Content of the Heart Chambers
Normal breath sounds Normal breath sounds
The normal and constricted airway. The normal and constricted airway.
Three types of “end feel” in normal joints. Three types of “end feel” in normal joints.
Normal nerve conduction of Sodium ion Normal nerve conduction of Sodium ion
Use the product rule to find derivative Use the product rule to find derivative
Video: Chemical Synapse Animation

For a complete list of videos, visit our video library