Questions from Statistics

Q: Because either there is life on Mars or there is not,

Because either there is life on Mars or there is not, the probability of life on Mars is 0.5.

Q: How many different three-child families are possible if birth order

How many different three-child families are possible if birth order is taken into account? What is the probability of a three-child family with three girls?

Q: How many different four-child families are possible if birth order

How many different four-child families are possible if birth order is taken into account? What is the probability of a four-child family that has two girls and two boys?

Q: Tossing two coins and getting either one head or two heads.

Tossing two coins and getting either one head or two heads.

Q: Rolling a single six-sided die and getting an odd number

Rolling a single six-sided die and getting an odd number (1, 3, or 5).

Q: Randomly selecting one of the 365 days of the year and getting

Randomly selecting one of the 365 days of the year and getting a day in September.

Q: Making a correct random guess as an answer to a particular multiple

Making a correct random guess as an answer to a particular multiple-choice question on an SAT test with possible answers of a, b, c, d, e, one of which is correct.

Q: Drawing an ace from a standard deck of 52 playing cards (

Drawing an ace from a standard deck of 52 playing cards (see Figure 6.6) Figure 6.6 Playing cards in a standard 52-card deck.

Q: Find the probability of randomly selecting one of the test subjects and

Find the probability of randomly selecting one of the test subjects and getting someone who is in Group A and passed the exam.

Q: Finding that the next President of the United States was born on

Finding that the next President of the United States was born on a Saturday.