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

Author Question: Assume that z scores are normally distributed with a mean of 0 and a standard deviation of 1. If ... (Read 59 times)

misspop

  • Hero Member
  • *****
  • Posts: 540
on: Jul 25, 2018
Assume that z scores are normally distributed with a mean of 0 and a standard deviation of 1. If
  P(-a < z < a) = 0.4314, find a.
 
  A) -0.18 B) 0.3328 C) 0.57 D) 1.49

Question 2

In a certain college, 33 of the physics majors belong to ethnic minorities. If 10 students are
  selected at random from the physics majors, that is the probability that no more than 6 belong to
  an ethnic minority?
 
  A) 0.982 B) 0.913 C) 0.055 D) 0.985


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

daiying98

  • Sr. Member
  • ****
  • Posts: 354
Reply #1 on: Jul 25, 2018
Answer to Question 1

C

Answer to Question 2

A


misspop

  • Member
  • Posts: 540
Reply 2 on: Jul 25, 2018
Gracias!

kalskdjl1212

  • Member
  • Posts: 353
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

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?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Ulnar Deviation Ulnar Deviation
Flynn Effect IQ scores have risen across developed countries in recent decades. Source: Flynn (199 Flynn Effect IQ scores have risen across developed countries in recent decades. Source: Flynn (199
In this 1900 cartoon, oil baron John D. Rockefeller holds the White House in the palm of his hand wh In this 1900 cartoon, oil baron John D. Rockefeller holds the White House in the palm of his hand wh
The Normal Distribution of Scores for a Standardized Intelligence Test The Normal Distribution of Scores for a Standardized Intelligence Test
Mean scores for Erikson’s stage VI (Intimacy) for two cohorts. Scores for both cohorts increase ... Mean scores for Erikson’s stage VI (Intimacy) for two cohorts. Scores for both cohorts increase ...
Video: Lipid catabolism ( ketogenesis and oxidation of glycerol) and Lipid anabolism (lipogenesis)

For a complete list of videos, visit our video library