College Math Prep B - Unit Exam 2
A car rental company randomly assigns one of its 60 cars to a customer. Of the 60 cars, 4
of them are red.
How can you find the theoretical probability of a customer being assigned a red car? -
ANS Divide the number of red cars by the total number of cars.
\A card player selects 2 cards from a deck of 52 cards at random without replacement.
The deck contains 4 aces.
What is the probability that both cards the player selects are aces? - ANS 1/221
\A child rolls two 6-sided dice.
Which diagram can be used to determine all possible outcomes of the roll? - ANS
https://assets.learnosity.com/organisations/625/348f8a8d-5be5-40a4-a005-832c358c5b8a.
png
\A classroom has 30 seats arranged in 6 rows of 5 seats each. Each student is randomly
assigned a seat.
What is the probability that the first student is placed in the first row? - ANS 1/6
\A deck of 52 playing cards contains an equal number of hearts, spades, diamonds, and
clubs. The first card dealt is a spade.
What is the probability that the second card dealt is also a spade? - ANS 4/17
\A flower store has an inventory of 25 roses, 15 lilies, 30 tulips, 20 gladiola, and 10
daisies. A customer picks one of the flowers at random.
What is the probability that the flower is not a rose? - ANS 3/4
\A high school recorded the number of students in each grade participating in
after-school activities.
Assuming no student participates in more than one activity, what is the probability that a
band member is not in 12th grade?
Round your answer to the nearest hundredth, like this: 0.42 - ANS 0.75
\A meteorologist reports that there is a 30% chance the temperature will fall below
freezing tomorrow. On any given day, the bus has a 60% chance of being late.
Assuming the bus travels independently of temperature, what is the probability that a
passenger would be waiting for a late bus in freezing weather? - ANS 18%
\A North Dakota license plate has six characters: 3 digits followed by 3 letters (e.g.
123AAA). Any number from 0 to 9 can be used as a digit. Any of the 26 letters from A to Z
can be used as a letter.
How many different North Dakota license plates can be issued?
Enter your answer as an integer without commas, like this: 42536475 - ANS 17576000
\A restaurant with 25 tables has 4 tables by the window. Parties are seated randomly at
the tables as they come in.
What is the probability that the first 3 parties of the night are all seated at window seats?
- ANS 1/575
\A small bag has a penny, a nickel, a dime, and a quarter. A child chooses 2 coins from
the bag at random.
A car rental company randomly assigns one of its 60 cars to a customer. Of the 60 cars, 4
of them are red.
How can you find the theoretical probability of a customer being assigned a red car? -
ANS Divide the number of red cars by the total number of cars.
\A card player selects 2 cards from a deck of 52 cards at random without replacement.
The deck contains 4 aces.
What is the probability that both cards the player selects are aces? - ANS 1/221
\A child rolls two 6-sided dice.
Which diagram can be used to determine all possible outcomes of the roll? - ANS
https://assets.learnosity.com/organisations/625/348f8a8d-5be5-40a4-a005-832c358c5b8a.
png
\A classroom has 30 seats arranged in 6 rows of 5 seats each. Each student is randomly
assigned a seat.
What is the probability that the first student is placed in the first row? - ANS 1/6
\A deck of 52 playing cards contains an equal number of hearts, spades, diamonds, and
clubs. The first card dealt is a spade.
What is the probability that the second card dealt is also a spade? - ANS 4/17
\A flower store has an inventory of 25 roses, 15 lilies, 30 tulips, 20 gladiola, and 10
daisies. A customer picks one of the flowers at random.
What is the probability that the flower is not a rose? - ANS 3/4
\A high school recorded the number of students in each grade participating in
after-school activities.
Assuming no student participates in more than one activity, what is the probability that a
band member is not in 12th grade?
Round your answer to the nearest hundredth, like this: 0.42 - ANS 0.75
\A meteorologist reports that there is a 30% chance the temperature will fall below
freezing tomorrow. On any given day, the bus has a 60% chance of being late.
Assuming the bus travels independently of temperature, what is the probability that a
passenger would be waiting for a late bus in freezing weather? - ANS 18%
\A North Dakota license plate has six characters: 3 digits followed by 3 letters (e.g.
123AAA). Any number from 0 to 9 can be used as a digit. Any of the 26 letters from A to Z
can be used as a letter.
How many different North Dakota license plates can be issued?
Enter your answer as an integer without commas, like this: 42536475 - ANS 17576000
\A restaurant with 25 tables has 4 tables by the window. Parties are seated randomly at
the tables as they come in.
What is the probability that the first 3 parties of the night are all seated at window seats?
- ANS 1/575
\A small bag has a penny, a nickel, a dime, and a quarter. A child chooses 2 coins from
the bag at random.
