« previous next »

Author Question: On a December day, the probability of snow is .30 . The probability of a cold day is .50 . The ... (Read 112 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?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Cold vs Flu Cold vs Flu
A thermostat stuck in the open position caused the engine to operate too cold. The vehicle failed ... A thermostat stuck in the open position caused the engine to operate too cold. The vehicle failed ...
Cold Fronts Cold Fronts
Weather Typically Associated with Cold Front (North America) Weather Typically Associated with Cold Front (North America)
Solve this probability question Solve this probability question
ODDS AND PROBABILITY PLEASE ANSWER ALL I DONT HAVE ENOUGH CREDITS ODDS AND PROBABILITY PLEASE ANSWER ALL I DONT HAVE ENOUGH CREDITS
Video: Major Elements in Biological Molecules: Carbohydrates

For a complete list of videos, visit our video library