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

Author Question: The amount of time required for an oil and filter change on an automobile is normally distributed ... (Read 74 times)

Engineer

  • Hero Member
  • *****
  • Posts: 527
on: Jun 24, 2018
The amount of time required for an oil and filter change on an automobile is normally distributed with a mean of 45 minutes and a standard deviation of 10 minutes. A random sample of 16 cars is selected. 90 of the sample means will be greater than what value?
 
  What will be an ideal response?

Question 2

The probability that a standard normal variable, Z, is between 1.50 and 2.10 is the same as the probability Z is between -2.10 and -1.50.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mrphibs

  • Sr. Member
  • ****
  • Posts: 307
Reply #1 on: Jun 24, 2018
Answer to Question 1

41.8 minutes

Answer to Question 2

TRUE


Engineer

  • Member
  • Posts: 527
Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

ghepp

  • Member
  • Posts: 361
Reply 3 on: Yesterday
Wow, this really help

« 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?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Becoming a Certified Medical Assistant may demonstrate your commitment to the profession and the con Becoming a Certified Medical Assistant may demonstrate your commitment to the profession and the con
In middle childhood, children spend increasing amounts of time with peers and friends. In middle childhood, children spend increasing amounts of time with peers and friends.
Dust and dirt in the air are trapped in the air filter so they do not enter the engine. Dust and dirt in the air are trapped in the air filter so they do not enter the engine.
(a) The connection required to test a Halleffect sensor. (b) A typical waveform from a Hall-effect ... (a) The connection required to test a Halleffect sensor. (b) A typical waveform from a Hall-effect ...
Ancient Climate Change Ancient Climate Change
Insomnia severity vs. time Insomnia severity vs. time
Video: Acid-base imbalances - metabolic acidosis and alkalosis

For a complete list of videos, visit our video library