Life
Food
Flowers
100
Using the table, answer the following questions:
1. What is the probability that a randomly selected person is a Male or likes the color Blue?
P(MorB)=P(M)+P(B)-P(MandB)
200/500+170/500-110/500=260/500 or 52%
100
Mr. Chong loves Korean food, but Kimchi messes up his stomach. Every day there is a 60% chance that he goes to a Korean restaurant. To limit how much Kimchi he eats, he flips a coin to decide for him when he gets there.
What are the chances that Mr. Chong goes to a Korean restaurant and does not eat Kimchi?
P(K and KR)=P(KR)*P(K|KR)
.60 * .5=30%
100
Riley has to pick a random flower out of a bouquet. There are 2 Roses, 4 Tulips, and 5 Daisies.
What are the odds she picks a Rose and then a Daisy?
P(RandD)=P(R)*P(D|R)
2/11*5/10
200
How many legs does a lobster have?
10
200
Mr. Chong also loves Korean Fried Chicken. Every week there's a 30% chance that he gets KFC. If he does get KFC, there's a 90% chance that he's so happy he would drop all homework assignments. If he doesn't get KFC, that chance drops to 5%.
1. What is the probability of him dropping all homework, given that he does get KFC?
2. What is the probability of him not getting KFC and dropping all HW?
1. 90%
2. 0.70*0.05=0.035 or 3.5%
200
Sean has to randomly pick some flowers out of a bouquet. There are 5 Sunflowers, 3 Peonies, 2 Lillies, and a Pineapple.
1. What is the probability of picking the Pineapple, a Peony, and then another Peony?
2. What is the probability of picking 2 Sunflowers and then a Lilly?
1. 1/11*3/10*2/9=1/165
2. 5/11*4/10*2/9=4/99
300
Using the table, answer the following questions:
1. What is the probability of picking a person who is Female and likes Red?
2. What is the probability of picking a person who is Male, given that they like Red?
1. 240/500
2. 90/330
300
Mr. Chong hates cooking with butter. Some people especially love cooking rice with butter. Eww.
Whenever Mr. Chong goes over to someone else's house, there is a 60% chance that the person cooked rice with butter.
If the rice is cooked with butter, Mr. Chong has a 80% probability of screaming and crying on the floor. If it does not have butter, Mr. Chong still has a 30% probability of screaming and crying.
1. What is the probability that there is butter in the rice and Mr. Chong screams and cries?
2. What is the probability that there is no butter in the rice and Mr. Chong still screams and cries?
3. What is the probability that Mr. Chong comes to realize that he is being a brat and grows up? (impossible)
1. 0.6*0.8=0.48or48%
2. 0.40*0.30=0.12or12%
3. 0%
300
What is the Colorado State Flower?
Columbine
