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

Author Question: Describe the process for finding probabilities using z scores and the standard normal distribution. ... (Read 20 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575
on: Aug 1, 2018
Describe the process for finding probabilities using z scores and the standard normal distribution. Give an example to support your description.
 
  What will be an ideal response?

Question 2

Compute the variance. A class of sixth grade students kept accurate records on the amount of time they spent playing video games during a one-week period. The times (in hours) are listed below:
 
  11.8 12.4 17.5 14.5 17.9
  21.6 15.7 30.4 26.6 29.2
  A) 46.87 B) 194.43 C) 42.27 D) 46.97


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Christopher

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Aug 1, 2018
Answer to Question 1

The process should include sketching the diagram, marking the z score on the diagram, shading the appropriate area of interest, finding the area corresponding to the z score in the table (the area between the mean and the z score), then using that area to find the shaded area of interest. Student examples may vary.

Answer to Question 2

D


littleanan

  • Member
  • Posts: 575
Reply 2 on: Aug 1, 2018
YES! Correct, THANKS for helping me on my review

JCABRERA33

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Normal Values for Urinalysis Testing Normal Values for Urinalysis Testing
Normal depolarization of the motor end plate: (a) Depolarization: Ach causes calcium to be released ... Normal depolarization of the motor end plate: (a) Depolarization: Ach causes calcium to be released ...
Symporter protein in the loop of Henle: (a) normal reabsorption of inhibition of the Na+, K+, and ... Symporter protein in the loop of Henle: (a) normal reabsorption of inhibition of the Na+, K+, and ...
The wide distribution of left hemisphere sites where cortical stimulation either blocked speech or ... The wide distribution of left hemisphere sites where cortical stimulation either blocked speech or ...
Finding derivatives of Trig Functions Finding derivatives of Trig Functions
The distribution of the number of hours that a random sample of people spend doing chores per ... The distribution of the number of hours that a random sample of people spend doing chores per ...
Video: Five phases of cardiac cycle & Atrial contraction

For a complete list of videos, visit our video library