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

Author Question: A very large logging operation has serious problems keeping their skidders operating properly. The ... (Read 167 times)

Pineapplelove6

  • Hero Member
  • *****
  • Posts: 560
on: Jun 24, 2018
A very large logging operation has serious problems keeping their skidders operating properly. The equipment fails at the rate of 3 breakdowns every 48 hours. Assume that x is time between breakdowns and is exponentially distributed. The probability of two or less breakdowns in the next 48-hour period is:
 a. 0.9672.
  b. 0.0307.
  c. 0.2231.
  d. 0.7769.

Question 2

Fifty percent of all college students attend schools within 50 miles of their homes. In a sample of 500 college students, the probability that the sample proportion will be between 0.45 and 0.55 is:
 a. 0.4875.
  b. 0.9818.
  c. 0.4909.
  d. 0.9750.
  e. 0.5000.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bbburns21

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

D


Pineapplelove6

  • Member
  • Posts: 560
Reply 2 on: Jun 24, 2018
Wow, this really help

ghepp

  • Member
  • Posts: 361
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Constructing large motifs from smaller ones Constructing large motifs from smaller ones
How to solve all of life's problems How to solve all of life's problems
James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex
An example of a medical history sheet to list patient problems. An example of a medical history sheet to list patient problems.
How to solve optimization problems in calculus (Question 7) How to solve optimization problems in calculus (Question 7)
How to solve rate problems leading to fractional equations (Question 2) How to solve rate problems leading to fractional equations (Question 2)
Video: Chromosome structural organization/ Mechanisms for chromosome movement Animation

For a complete list of videos, visit our video library