Probability

Which of these situations shows a simple event after rolling a fair die?

• getting 6

• getting an odd number

• getting an even number

• getting an odd number greater than two

What is the probability of landing a head in a single toss of a fair coin?

• 0

• 1/2

• 1

• 2

The probability of union of two events is given by _____ .

• 𝑃(𝐴∪𝐵) = 𝑃(𝐴) + 𝑃(𝐵)

• 𝑃(𝐴∪𝐵) = 𝑃(𝐴) − 𝑃(𝐵)

• 𝑃(𝐴∪𝐵) = 𝑃(𝐴) + 𝑃(𝐵) − 𝑃(𝐴∩𝐵)

• 𝑃(𝐴∪𝐵) = 𝑃(𝐴) − 𝑃(𝐵) − 𝑃(𝐴∩𝐵)

How many distinct ways can you keep four different books in a book shelf?

• 4

• 12

• 24

• 120

If there are two different pasta dishes, three kinds of sandwiches, and four kinds of drinks available in the menu, how many different Combo Specials can a customer order?

• 1

• 9

• 12

• 24

It refers to an event that involves two or more simple events.

• Compound Events

• Exclusive Event

• Mutually Exclusive Event

• Special Event

What is the size of the sample space when three distinct fair coins were tossed simultaneously?

• 2

• 4

• 6

• 8

What is the probability of getting a result of three or an even number when you roll a fair die?

• 2/3

• 1/2

• 1/3

• 1/6

Suppose you roll two fair dice simultaneously. What is the probability of getting a double (two of the same number) or having a sum of ten?

• 1/12

• 1/18

• 1/36

• 2/9

How many elements are there if you draw a face card or a black jack in a standard deck of 52 cards?

• 1

• 2

• 4

• 12