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

Author Question: The diameter of ball bearings produced in a manufacturing process can be explained using a uniform ... (Read 67 times)

jayhills49

  • Hero Member
  • *****
  • Posts: 559
on: Jul 24, 2018
The diameter of ball bearings produced in a manufacturing process can be explained using a uniform distribution over the interval 7.5 to 9.5 millimeters.
 
  What is the probability that a randomly selected ball
  bearing has a diameter greater than 8.6 millimeters?
  A) 0.45 B) 0.9053 C) 4 D) 0.5059

Question 2

A study was designed to investigate the effects of two variables - (1 ) a students level of mathematical anxiety and (2 ) teaching method - on a students achievement in a mathematics course.
 
  Students who had a low level of mathematical anxiety were taught using the traditional expository method. These students obtained a mean score of 480 with a standard deviation of 20 on a standardized test. Assuming no information concerning the shape of the distribution is known, what percentage of the students scored between 440 and 520? A) at least 75 B) approximately 95
  C) at least 88.9 D) approximately 68


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jody Vaughn

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

A


jayhills49

  • Member
  • Posts: 559
Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

bigsis44

  • Member
  • Posts: 317
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Critical thinking and the process of planning care Critical thinking and the process of planning care
Communication throughout the nursing process Communication throughout the nursing process
Responses Produced by Activation of Specific Opioid Receptors Responses Produced by Activation of Specific Opioid Receptors
Normal tympanic membrane with cone of light and process of malleus Normal tympanic membrane with cone of light and process of malleus
The Bergeron Process The Bergeron Process
Nursing Care Plan Process: Client with High Blood Lipid Levels Nursing Care Plan Process: Client with High Blood Lipid Levels
Video: Structure of Amino Acid, Peptide Bonds & Polypeptides

For a complete list of videos, visit our video library