QuestionQuestion  14 out of 4 pointsTwo events are independent if _________.

Question  1

4 out of 4 points

Two events are independent if _________.

 

Question 2

4 out of 4 points

The Multiplication Rule states _________.

Question 3

0 out of 4 points

Which of the following are examples of mutually exclusive events?

Question 4

0 out of 4 points

A certain university maintains a colony of male mice for research purposes. The ages of the mice are normally distributed with a mean of 60 days and a standard deviation of 5.2. Assume you randomly sample one mouse from the colony. The probability his age will be less than 45 days is _________.

Question 5

0 out of 4 points

A certain university maintains a colony of male mice for research purposes. The ages of the mice are normally distributed with a mean of 60 days and a standard deviation of 5.2. Assume you randomly sample one mouse from the colony.

The probability his age will be greater than 68 is _________.

Question 6

0 out of 4 points

The probability of randomly selecting a face card (K, Q, or J) or a spade in one draw equals _________.

Question 7

0 out of 4 points

If P + Q = 1.00 then P and Q must be _________.

Question 8

4 out of 4 points

Let’s assume you are having a party and have stocked your refrigerator with beverages. You have 12 bottles of Coors beer, 24 bottles of Rainier beer, 24 bottles of Schlitz light beer, 12 bottles of Hamms beer, 2 bottles of Heineken dark beer and 6 bottles of Pepsi soda. You go to the refrigerator to get beverages for your friends. In answering the following question assume you are randomly sampling without replacement. What is the probability the first bottle selected is a Coors beer?

Question 9

0 out of 4 points

A “hungry” undergraduate student was looking for a way of making some extra money. The student turned to a life of vice – gambling. To be a good gambler, he needed to know the probability of certain events. Help him out by answering the following question.

The probability of rolling “boxcars” (two sixes) with one roll of a pair of fair dice is _________.

Question 10

0 out of 4 points

Suppose you are going to randomly order individuals A, B, C, D, E and F. The probability the order will begin A B _ _ _ _ is _________.

Question 11

0 out of 4 points

A certain university maintains a colony of male mice for research purposes. The ages of the mice are normally distributed with a mean of 60 days and a standard deviation of 5.2. Assume you randomly sample one mouse from the colony. The probability his age will be between 55 and 70 days is _________.

Question 12

4 out of 4 points

If p(A)p(B|A) = p(A)p(B), then A and B must be _________.

Question 13

0 out of 4 points

A “hungry” undergraduate student was looking for a way of making some extra money. The student turned to a life of vice – gambling. To be a good gambler, he needed to know the probability of certain events. Help him out by answering the following question.

The probability of drawing an ace, a king and a queen of any suit in that order is _________. Sampling is without replacement from a deck of 52 ordinary playing cards.

Question 14

0 out of 4 points

A posteriori probability refers to _________.

Question 15

4 out of 4 points

A famous hypnotist performs in Meany Hall before a crowd of 350 students and 180 non-students. The hypnotist knows from previous experience that one-half of the students and two-thirds of the non-students are hypnotizable. What is the probability that a randomly chosen person from the audience will be hypnotizable or will be a non-student?

Question 16

4 out of 4 points

If you have 15 red socks (individual, not pairs), 24 green socks, 17 blue socks, and 100 black socks, what is the probability you will reach in the drawer and randomly select a pair of green socks? (Assume sampling without replacement.)

Question 17

4 out of 4 points

Assume you are rolling two fair dice once. The probability of obtaining a sum of 2 or 12 equals _________.

Question 18

4 out of 4 points

A sample is random if _________.

Question 19

4 out of 4 points

The probability of rolling an even number or a one on a throw of a single die equals _________.

Question 20

4 out of 4 points

Probabilities vary between _________.

Question 21

0 out of 4 points

The probability of correctly guessing a two digit number is _________.

Question 22

4 out of 4 points

Let’s assume you are having a party and have stocked your refrigerator with beverages. You have 12 bottles of Coors beer, 24 bottles of Rainier beer, 24 bottles of Schlitz light beer, 12 bottles of Hamms beer, 2 bottles of Heineken dark beer and 6 bottles of Pepsi soda. You go to the refrigerator to get beverages for your friends. In answering the following question assume you are randomly sampling without replacement. What is the probability the first beverage you get is a beer?

Question 23

4 out of 4 points

A “hungry” undergraduate student was looking for a way of making some extra money. The student turned to a life of vice – gambling. To be a good gambler, he needed to know the probability of certain events. Help him out by answering the following question.

The probability of drawing 3 aces in a row without replacement from a deck of 52 ordinary playing cards is _________.

Question 24

4 out of 4 points

A set of events is exhaustive if _________.

Question 25

0 out of 4 points

If A and B are mutually exclusive and exhaustive, then p(A and B) = _________.

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