A normal distribution has a mean of µ = 100 with ? = 20 . If one score is randomly selected from this distribution, what is the probability that the score will have a value between X = 90 and X = 120?

a. 0.1498 c. 0.5328
b. 0.4672 d. 0.2996


C

Psychology

You might also like to view...

Genuine self-esteem is based on which type of appraisal of your strengths and weaknesses?

a. modest b. balanced c. accurate d. high positive

Psychology

Which of the following statements is NOT true?

A. ADHD, conduct disorder, and separation anxiety disorder are especially common diagnoses among children. B. Children can be diagnosed with major depression and posttraumatic stress disorder. C. DSM-5 modifies the diagnostic criteria of some disorders for children. D. Some clinical psychologists divide children’s psychological problems into two broad classes: specific and generalized disorders.

Psychology

Overall, older adults who reside in residential communities tend to show higher levels of ______.

A. anxiety B. overeating C. perceived autonomy D. social isolation

Psychology

Kristopher believes it is a fact that raccoons are a type of bear

When his mother informs him that they aren't, he decides his mom just has a different opinion. This illustrates Kristopher's: A) defensive realism. B) naïve realism. C) skepticism. D) postskeptical rationalism.

Psychology