« previous next »

Author Question: A couple has three children. Assuming each child has an equal chance of being a boy or a girl, what ... (Read 38 times)

nummyann

  • Hero Member
  • *****
  • Posts: 576
on: Aug 1, 2018
A couple has three children. Assuming each child has an equal chance of being a boy or a girl, what is the probability that they have at least one girl?
 a. .125
  b. .5
  c. .875
  d. 1

Question 2

If a fair penny is tossed three times and comes up heads all three times, the probability of heads on the fourth trial is _____.
 a. smaller than the probability of tails
  b. larger than the probability of tails
  c. 1/16
  d. None of the answers is correct.


Anonymous

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Aug 1, 2018
Answer to Question 1

c

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

A Dorsal view of a scan of the hand phalange of a child from Denisova that yielded mtDNA that differ A Dorsal view of a scan of the hand phalange of a child from Denisova that yielded mtDNA that differ
EEG electrodes attached to the child’s scalp provide a record of brain activity in multiple ... EEG electrodes attached to the child’s scalp provide a record of brain activity in multiple ...
Nomogram chart. This example shows a line drawn from a child’s height of 100 cm to his weight, 35 ... Nomogram chart. This example shows a line drawn from a child’s height of 100 cm to his weight, 35 ...
Parent restraint of a young child during examination of the ear Parent restraint of a young child during examination of the ear
Developing Child, The Developing Child, The
Gender and Play in Children (1 of 2) Gender and Play in Children (1 of 2)
Video: Muscular System Animation

For a complete list of videos, visit our video library