« previous next »

Author Question: On a December day, the probability of snow is .30 . The probability of a cold day is .50 . The ... (Read 39 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?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Distribution and Forms of Precipitation: Snow Distribution and Forms of Precipitation: Snow
Distribution and Forms of Precipitation: Snow Distribution and Forms of Precipitation: Snow
Try an afternoon glass of cold grape juice for a refreshing break Try an afternoon glass of cold grape juice for a refreshing break
Cold Front Cold Front
Stress and the Common Cold Stress and the Common Cold
Conditional Probability Formulas Conditional Probability Formulas
Video: Simple Diffusion - Ion transport

For a complete list of videos, visit our video library