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

Author Question: Calculate the sample standard deviation. What will be an ideal ... (Read 79 times)

sam.t96

  • Hero Member
  • *****
  • Posts: 570
on: Jun 24, 2018
Calculate the sample standard deviation.
 
  What will be an ideal response?

Question 2

The time it takes to assemble an electronic component is normally distributed with a mean of 17.2 minutes and a standard deviation of 3.1 minutes. The probability is 90 that it will take at least how long to assemble a component?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ErinKing

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Jun 24, 2018
Answer to Question 1

s = 0.70

Answer to Question 2

P(X > k) = 0.90  PZ > (k - 17.2 )/3.1 = 0.90 (k - 17.2 ) /3.1 = -1.28,  k = 13.23 minutes


sam.t96

  • Hero Member
  • *****
  • Posts: 570
Reply #2 on: Jun 24, 2018
Thank you :)


ErinKing

  • Sr. Member
  • ****
  • Posts: 362
Reply #3 on: Jun 24, 2018
Happy to help you


« previous next »
 

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Sample prescriptions of drugs for oral fungal infections. Sample prescriptions of drugs for oral fungal infections.
Sample of a business card design. Sample of a business card design.
How to calculate monthly payments at varying amortization periods (Question 3) How to calculate monthly payments at varying amortization periods (Question 3)
How to calculate simple interest (Part 1) How to calculate simple interest (Part 1)
A karyotype arranges the chromosomes in a standard format A karyotype arranges the chromosomes in a standard format
Standard Electrode Potentials at 25 Degrees Standard Electrode Potentials at 25 Degrees
Video: ADH and the arterioles, kidneys, sweat glands and the Atrial natriuretic peptide (ANP)

For a complete list of videos, visit our video library