« previous next »

Author Question: On a December day, the probability of snow is .30 . The probability of a cold day is .50 . The ... (Read 84 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
on: Jun 24, 2018
On a December day, the probability of snow is .30 . The probability of a cold day is .50 . The probability of snow and a cold day is .15 . Are snow and cold weather independent events?
 a. only if given that it snowed
  b. no
  c. yes
  d. only when they are also mutually exclusive

Question 2

A Type II error is committed when
 a. a true alternative hypothesis is mistakenly rejected.
   b. a true null hypothesis is mistakenly rejected.
   c. the true null hypothesis is correctly rejected.
   d. the true alternative hypothesis is correctly rejected.


akudia

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jun 24, 2018
Answer to Question 1

c

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

(c) snow in Nunavut, alter the local albedo, causing altered microclimates. High albedos are found (c) snow in Nunavut, alter the local albedo, causing altered microclimates. High albedos are found
Cold Fronts Cold Fronts
When the engine is cold and before the oxygen sensor is hot enough to achieve closed-loop, the ... When the engine is cold and before the oxygen sensor is hot enough to achieve closed-loop, the ...
Degree Ranges for Hydrotherapy and Temperature Therapy Methods from Cold to Hot Applications Degree Ranges for Hydrotherapy and Temperature Therapy Methods from Cold to Hot Applications
Try an afternoon glass of cold grape juice for a refreshing break Try an afternoon glass of cold grape juice for a refreshing break
December 1, 2023 December 1, 2023
Video: Red alga life cycle Animation

For a complete list of videos, visit our video library