Deck 8: Fundamentals of Probability

Question 1

The type of frequency distribution which is used for finite discrete data is:

A) hypergeometric
B) uniform
C)dependent
D)b and c

Answer 1

hypergeometric

Question 2

A freshman English class has 6 sections at 8 AM, 4 sections at 10 AM, 3 sections at 12 PM, and 5 sections at 2 PM. What is the probability that you will be given the class at 8 AM or 2 PM?

Answer 2

0.611

Question 3

A hospital laboratory technician randomly selects three blood samples from a lot of 20 that is known to be 10% nonconforming. What is the probability that the sample will contain no nonconforming units?

Answer 3

0.716

Question 4

When the word AND is verbalized in probability it means to perform the arithmetic operation of:

A) multiplication
B) addition
C)division
D)exponentiation

Question 5

When the occurrence of an event has no influence on the occurrence of a second event, it is called:

A) independent
B) mutually
C dependent
D) a and b

Question 6

When the word OR is verbalized in probability it means to perform the arithmetic operation of:

A) multiplication
B) diversion
C) addition
D) exponentiation

Question 7

The probability of two or less is equal to: _a. P₀ + P₁ c. P₂ + P₁ + P₀
B) (P₀) (P₁) (P₂)
D) (P₀) (P₁)

Question 8

Which of the following is a method of counting events:

A) addition
B) outcomes
C) division
D) permutation

Question 9

When the occurrence of one event negates the possibility of another event, it is called:

A) independent
B) mutually exclusive
C) dependent
D) b and c

Question 10

A sample of 3 numbers is selected from the numbers 1 to 45. How many different combinations are possible?

Question 11

An inspector samples four PC's from a steady stream of computers that is known to be 12% nonconforming. What is the probability of selecting two nonconforming units in the sample.