imasmartypants imasmartypants

26-07-2017
Mathematics

contestada

For normally distributed data, what proportion of observations have z-scores satisfying the following conditions:
0.62 < z < 2.92

Respuesta :

Аноним Аноним

01-08-2017

From standard tables for normal distribution,
P(z<=0.62) = 0.7324
P(z<=2.92) = 0.9983

Therefore
P(0.62 < z <2.92) = 0.9983 - 0.7324 = 0.2659

The required proportion is 0.2659 or 26.6%

Answer: 0.266 or 26.6%

Answer Link

Otras preguntas

Evaluate F(3)for the piecewise function which value represents F(3)

A two-choice sorting device used in taxonomy to identify tax is known as a _____.

What does the artist use as an expressive tool in the painting above? a. the arrangement of the picture b. the emotions of the facial expressions c. gestures d.

In a speech on genetically modified foods (GMO) a speaker may state that they want the audience to understand that most GMO’s are perfectly safe. This would be

Dan, a widower, dies intestate, leaving two surviving children, Joe and Carrie, and two grandchildren who are children of his deceased daughter, Debra. If Joe a

Under average driving conditions, the life lengths of automobile tires of a certain brand are found to follow an exponential distribution, with a mean of 30,000

Blanca rarely holds Joey, her baby, and tends to respond to his needs in an angry, irritable fashion. It is most likely that Joey will develop a(n) _____ with h

The last four weekly values of sales were 80, 100, 105, and 90 units. The last four forecasts were 60, 80, 95, and 75 units. These forecasts illustrate: a. bia

#1 Identify the category of stress the following situation can lead to: Driving when you have a migraine.

An object of mass 0.50 kg is transported to the surface of Planet X where the object’s weight is measured to be 20 N. The radius of the planet is 4.0 x 10^6 m.