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Forty-five percent (45%) of shoppers at Supermarket Xtra indicate that they were dissatisfied with the customer service received at the supermarket. Twenty (20) shoppers were randomly and independently sampled. What is the probability that  2 randomly selected shoppers are dissatisfied with the customer service.        Select one: a.(20C2) (0.55)2 (45)18   b.(20C2) (45)2 (55)18   c.(20C2) (0.55)2 (0.45)18   d.(20C2) (0.45)2 (0.55)18

Forty-five percent (45%) of shoppers at Supermarket Xtra indicate that they were dissatisfied with the customer service received at the supermarket. Twenty (20) shoppers were randomly and independently sampled. What is the probability that  2 randomly selected shoppers are dissatisfied with the customer service.        Select one: a.(20C2) (0.55)2 (45)18   b.(20C2) (45)2 (55)18   c.(20C2) (0.55)2 (0.45)18   d.(20C2) (0.45)2 (0.55)18

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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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Forty-five percent (45%) of shoppers at Supermarket Xtra indicate that they were dissatisfied with the customer service received at the supermarket. Twenty (20) shoppers were randomly and independently sampled. What is the probability that  2 randomly selected shoppers are dissatisfied with the customer service.       

Select one:
a.(20C2) (0.55)2 (45)18

 

b.(20C2) (45)2 (55)18

 

c.(20C2) (0.55)2 (0.45)18

 

d.(20C2) (0.45)2 (0.55)18

 

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