MATH221 Week 2 Exam Questions with Verified Solutions Rated A+ Latest Update 2025
(CO 2) A random number generator is used to select a number from 1 to 100. What is the probability of selecting an even number? - Answers 0.50
(CO 2) You flip a coin 3 times. The sample space is {HHH, HHT, HTH, THH,...
(CO 2) A random number generator is used to select a number from 1 to 100. What is the probability of
selecting an even number? - Answers 0.50
(CO 2) You flip a coin 3 times. The sample space is {HHH, HHT, HTH, THH, HTT, THT, TTH, TTT}. Which of
the following is a simple event? - Answers You get exactly 3 tails
(CO 2) Consider the table below
Response (number of cats owned)-------Frequency
None---------------------------------------659
One----------------------------------------329
Two-----------------------------------------52
Three---------------------------------------13
Four or more-------------------------------8
What is the probability that the next person asked has only one cat? - Answers 31%
(CO 2) Consider the table below
Age Group-------------------------------Frequency
18-29---------------------------------------9831
30-39--------------------------------------7845
40-49--------------------------------------6869
50-59--------------------------------------6323
60-69--------------------------------------5410
70 and over-------------------------------5279
What is the probability that the next person chosen will be in the 18-29 or 30-39 age groups? - Answers
42.5%
, (CO 2) When children roll a die for a game, their probability of rolling a 5 is 17%. This is an example of
which type of probability? - Answers Classical probability
(CO 2) Consider the table below.
Age Group-------------------------------Frequency
18-29----------------------------------------9831
30-39---------------------------------------7845
40-49---------------------------------------6869
50-59---------------------------------------6323
60-69---------------------------------------5410
70 and over---------------------------------5279
What is the complement of P(30-49), or P(30-49')? - Answers 64.6%
(CO 2) You are selling your product at a three-day event. Each day, there is a 60% chance that you will
make money. What is the probability that you will make money on the first two days and lose money on
the third day? - Answers 0.144
Find the probability that a randomly selected location is in a rural location, given that it is profitable. -
Answers 55.0%
(CO 2) Consider the table below.
Production location------Correct-----Defective-----Total
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