
1.
An algebra class has both juniors and seniors in it, 51% are juniors. On a recent test, 64% of all students scored an A. In the class, 22% are juniors who scored an A. Looking at a random student, what is the probability they scored an A, given that they are a junior? Select the closest answer.

2.
An algebra class has both juniors and seniors in it, 64% are juniors. On a recent test, 64% of all students scored an A. In the class, 22% are juniors who scored an A. Looking at a random student, what is the probability they are a junior, given that they scored an A? Pick the best answer.

3.
Students are gathering weather information for July and September. They found that of the temperature measurements taken, 20% are in July and are below 80. In the data, 60% of the measurements are from July. What is the probability that a temperature was below 80, if we know the month was July? Choose the closest answer.

4.
Students are gathering weather information for days in June and August. They found that of the temperature measurements taken, 30% are in June and are below 80 degrees. In the data, 60% of the measurements are from June. A random day is chosen in June, what is the probability that it had a temperature below 80? Pick the best answer.

5.
In a survey, men and women were asked if they prefer dogs or cats as pets. In the survey, 45% of the answers were from men. Also, 5% of the survey results were men that prefer cats. If a random person chosen is a man, what is the probability that they prefer cats? Select the closest answer.

6.
In a survey, men and women were asked if they prefer dogs or cats as pets. In the survey, 40% of the answers were women who showed a preference for cats. Also, the survey showed that 45% of people prefer cats. A random person is chosen that prefers cats. What is the probability they are a woman? Pick the best answer.

7.
In a car dealership, 17% of cars are new. At the dealership, 30% of cars are red. Of all the cars, 6% are new and red. If a random car is red, what is the probability it is new? Choose the closest answer.

8.
In a car dealership, 17% of cars are new. Of all cars, 40% are red. Also, 6% cars are new and red. Given that a randomly chosen car is new, what is the probability it is red? Select the closest answer.

9.
In a season, a football team plays 20% of their games at night. During the season, the team won 70% of their games. Also, 7% of games were played at night and won. What is the probability that the team won, if you know they played at night? Pick the best answer.

10.
In a season, a football team plays 20% of their games during the day. During the season, the team lost 70% of their games. Also, 9% of games were played during the day and lost. What is the probability that the team lost, given it was a day game? Select the best answer.

11.
After a wedding, there was a case of food poisoning. Half (50%) of the guests got sick. The food options were fish or chicken, 46% of the people ate fish. Also, 38% of the people ate fish and got sick. Given that a person got sick, what is the probability they ate fish? Choose the closest answer.

12.
After a wedding, there was a case of food poisoning. Half (50%) of the guests got sick. The food options were fish or chicken, 26% of all people ate fish. Also, 18% of the people ate fish and got sick. Given that a person ate fish, what is the probability they got sick? Select the closest answer.

13.
A manager started keeping track of the times workers showed up. One day, 26% of the workers showed up late. Overall, 70% of workers drive to work. On this day, 10% of workers both drove and were late. Knowing that a random worker drove to work, what is the probability they were late? Pick the best answer.

14.
A manager started tracking if workers were on time. One day, 74% of the workers showed up early. Overall, 60% of workers drove to work. On this day, 20% of workers drove and were early. Knowing that a random worker was early, what is the probability they drove? Select the closest answer.

15.
A survey found that 71.4% of Americans desire stronger gun laws. In this survey, 50.9% of the answers were from Missouri. 23.7% of survey responses were from people from Missouri who desire stronger gun laws. Suppose a random person who desires stronger gun laws is chosen. What is the probability this person is from Missouri? Pick the best answer.

16.
A survey found that 71.4% of Americans desire stronger gun laws. In this survey, 50.9% of the answers were from Missouri. 40.7% of people are from Missouri and desire stronger gun laws. Suppose a random person from Missouri is chosen. What is the probability this person desires stronger gun laws? Choose the closest answer.

17.
In Paris, the probability that a married man drives is 90%. If the probability that the married man and his spouse both drive is 85%, what is the probability the spouse drives, given that the man drives? Select the best answer.

18.
The probability that Joe studies and passes their test is 80%. If the probability that Joe studies at all is 83%. Assuming that Joe studied, what is the probability they passed the test? Choose the closest answer.

19.
The probability that Joe studies and passes his test is 63% and there is a 17% chance he studies and fails the test. The probability that Joe studies at all is 80%. Assuming that Joe studied, what is the probability he failed? Choose the closest answer.

20.
Testing for weight and blood pressure in a retirement community, the probability that a man is overweight is 42%. In addition, the probability that a man has high blood pressure and is overweight is 28%. By choosing a random man who is overweight, what is the probability he has high blood pressure? Select the best answer.

21.
In one health club, 75% of members use treadmills. In this club, 50% of members are there to lift weights. Overall, 30% of members use treadmills and are also there to lift weights. If a random member is chosen, what is the probability they use a treadmill given that they are there to lift weights? Pick the closest answer.

22.
In one health club, 75% of members use treadmills. In this club, 40% of members are there to lift weights. Overall, 30% of members use treadmills and are also there to lift weights. If a random member is chosen, what is the probability they are there to lift weights given that they use a treadmill? Choose the best answer.

23.
In a recent survey of voters, 53% of participants were women while 47% were men. Just focusing on two political parties, 37% voted Republican. 20% of voters were men and voted Republican. Given that a voter was Republican, what is the probability it was a man? Select the best answer.

24.
In a recent survey of voters, 53% of participants were women while 47% were men. Just focusing on two political parties, 39% voted Democrat. There was a 22% chance that a voter was a woman who voted Democrat. Given that a voter was a woman, what is the probability she was a Democrat? Pick the closest answer.

25.
In a special deck of cards, 10% are Kings. There are four different suits, so 25% of the cards are hearts. The probability that the card is a King and a heart is 7%. Given that a card is a heart, what is the probability it is a King? Select the best answer.

26.
In a special deck of cards, 10% are Aces. There are four different suits, so 25% of the cards are hearts. The probability that the card is an Ace and a heart is 7%. Given that a card is an Ace, what is the probability it is a heart? Choose the closest answer.

27.
In a survey, men and women were asked if they prefer dogs or cats as pets. In the survey, 45% of the answers were from men. The survey also found that overall 20% prefer cats. The survey showed that 5% of people are men who prefer cats. If a random person chosen prefers cats, what is the probability it is a man? Select the closest answer.

28.
An algebra class has both juniors and seniors in it, 71% are juniors. On a recent test, 64% of all students scored an A. In the class, 39% are juniors who scored an A. Looking at a random student, what is the probability they scored an A, given that they are a junior? Select the closest answer.

29.
After a party, there was a case of food poisoning. 80% of the guests got sick. The food options were fish or chicken, 36% of all people ate chicken. Also, 18% of the people ate chicken and got sick. Given that a person got sick, what is the probability they ate chicken? Select the closest answer.

30.
At the swimming pool, 30% of people there are children and 70% are adults. Of the people, 17.8% were children wearing sunscreen. Of the adults 25% are wearing sunscreen. What is the probability a randomly selected child is wearing sunscreen? Pick the best answer.