At a local high school, the 40% of the students drink soda regularly, 30% drink coffee regularly, and 10% drink both regularly. If a student was randomly selected from this school, what is the probability that the student drinks soda if we know the student drinks coffee regularly? a. 0.25 b. 0.10 c. 0.33 d. 0.30

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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26. At a local restaurant, the 40% of the lunch customers order a hamburger, 70% of the lunch customers order
French fries, and 30% order both a hamburger and French fries. If a customer was randomly selected from
this restaurant, what is the probability that the customer order fries if we know they have ordered a
hamburger?
0.75
b. 0.43
а.
0.30
d. 0.40
с.
27. Isabella is making a bracelet for her friend. She has to decide which type of band to use, either leather or
silver. She also plans on picking two charms for the bracelet. One of the charms will be of an animal, either
a cat or a dog. The other charm will be of a sport, either basketball, baseball, or soccer. How many different
bracelets combinations does Isabella have to choose from?
a.
8.
с.
12
b.
3
d.
7
28. At a local high school, the 40% of the students drink soda regularly, 30% drink coffee regularly, and 10%
drink both regularly. If a student was randomly selected from this school, what is the probability that the
student drinks soda if we know the student drinks coffee regularly?
a.
0.25
с.
0.33
b. 0.10
d. 0.30
Transcribed Image Text:26. At a local restaurant, the 40% of the lunch customers order a hamburger, 70% of the lunch customers order French fries, and 30% order both a hamburger and French fries. If a customer was randomly selected from this restaurant, what is the probability that the customer order fries if we know they have ordered a hamburger? 0.75 b. 0.43 а. 0.30 d. 0.40 с. 27. Isabella is making a bracelet for her friend. She has to decide which type of band to use, either leather or silver. She also plans on picking two charms for the bracelet. One of the charms will be of an animal, either a cat or a dog. The other charm will be of a sport, either basketball, baseball, or soccer. How many different bracelets combinations does Isabella have to choose from? a. 8. с. 12 b. 3 d. 7 28. At a local high school, the 40% of the students drink soda regularly, 30% drink coffee regularly, and 10% drink both regularly. If a student was randomly selected from this school, what is the probability that the student drinks soda if we know the student drinks coffee regularly? a. 0.25 с. 0.33 b. 0.10 d. 0.30
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