Week 2: Quiz

(CO 2) The probability of a team winning its next game is 48%. The probability of losing its next game would be called the:

complement of winning

(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 two cats?

5%

Response | Frequency None | 659 One | 329 Two | 13 Four or more | 8

5%

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(40-59), or P(40-59')?

68.3

(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(50-69), or P(50-69')?

71.8%

(CO 2) What is the sample space of rolling two four-sided die?

(1,2)(1,3)(1,4)(2,2)(2,3)(2,4)(3,4)(4,4)

(CO 2) Randomly select a customer that takes the bus to our store. Randomly select a customer that is a teenager. Are these events mutually exclusive?

Non-mutually exclusive events

(CO 2) What is the sample space of flipping three coins, where H=heads, and T=tails?

(H,H,H)(H,H,H)(H,H,H)(H,H,H)(T,T,T)(T,T,T)(T,T,T)(T,T,T)

(CO 2) Two cards are selected with replacement from a standard deck of 52 cards. Find the probability of selecting a 4 and then selecting a 5.

0.0059

(CO 2) Two cards are selected without replacement from a standard deck of 52 cards. Find the probability of selecting a 4 and then selecting a 5.

0.0060

(CO 2) Two cards are selected without replacement from a standard deck of 52 cards. Find the probability of selecting a jack and then selecting a queen.

0.0060

(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 day and lose money on the next two days?

0.096

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 day and lose money on the next two days?

0.096

(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?

0.144

(CO 2) A random number generator is used to select a number from 1 to 100. What is the probability of selecting an odd number?

0.250

(CO 2) The probability of a golden retriever catching a tennis ball in mid-air is 88%. Find the probability that a golden retriever catches three tennis balls in mid-air.

0.6815

(CO 2) A statistics class has 50 students and among those students, 35 are business majors and 7 like grilled cheese. Of the business majors, 3 like grilled cheese. Find the probability that a randomly selected statistics student is a business major or likes grilled cheese.

0.78

(CO 2) An event is successful 1 out of every 5 attempts. What is the probability of the complement of that event?

0.80

Production location Correct Defective Total East 258. 31 289 West. 572 106 678 North. 755 94 849 South 491 74 565 Total 2076 305 2381

13.1

(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 50-59 or 60-69 age groups?

28.2%

(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 50-59 or 60-69 age groups?

28.2%

Profit Loss Total Urban location 50. 38. 88 Rural location. 61. 94. 155 Total. 111. 132. 243 Find the probability that a randomly selected location is in an urban location, given that

28.8%

CO 2) In a survey of 331 customers, 66 say that service is poor. You select two customers without replacement to get more information on their satisfaction. What is the probability that both say service is poor?

3.93

(CO 2) In a survey of 331 customers, 66 say that service is poor. You select two customers without replacement to get more information on their satisfaction. What is the probability that both say service is poor?

3.93%

(CO 2) Consider the table below. Production location Correct Defective Total East 258 31 289 West 572 106 678 North 755 94 849 South 491 74 565 Total 2076 305 2381 Find the probability that a randomly selected product is from the West, given that it is defective.

34.8%

(CO 2) Consider the table below. Profit Loss Total Urban location. 50 38 88 Rural location 61 94 155 Total. 111 132 243 Find the probability that a randomly selected location is going to be profitable, given that it is in a rural location.

39.4%

(CO 2) Classify these events. A study found that people who suffer from stress are more likely to have health issues. These events would be considered:

Dependent

(CO 2) Classify these events. Selecting a king from a deck of cards, keeping it and selecting another king from the same deck. These events would be considered:

Dependent

CO 2) Classify these events. A study found that people who suffer from stress are more likely to have health issues. These events would be

Dependent

CO 2) Classify these events. Selecting a king from a deck of cards, keeping it and selecting another king from the same deck. These events would be considered:

Dependent

(CO 2) According to company records, the probability that a dishwasher will need repairs during its first six years is 0.09. This is an example of which type of probability.

Empirical probability

(CO 2) Classify these events. Selecting a king from a deck of cards, replacing it and selecting a queen from the same deck. These events would be considered:

Independent

(CO 2) Classify these events. Some businesses paint the outside of their buildings red while some businesses offer employees health benefits. These events would be considered:

Independent

(CO 2) Consider the table below Response. Frequency None 659 One 329 Two 52 Three 13 Four or more 8 What is the probability that the next person asked has four or more cats?

Less than 1%

(CO 2) Randomly select a customer that takes the bus to our store. Randomly select a customer that drove to our store. Are these events mutually exclusive?

Mutually exclusive events

(CO 2) Based on the CEO's perception, a company estimates that a new product will be purchased by 32% of current customers. This is an example of which type of probability?

Subjective probability