The television show 50 Minutes has been successful for many years. That show recently had a share of 26, which means, that among the TV sets in use, 26% were tuned to 50 Minutes.  An advertiser wants to verify that 26% share value by conducting its own survey, and a pilot survey begins with 11 households have TV sets in use at the time of a 50 Minutes broadcast. Find the probability that none of the households are tuned to 50 Minutes. P(none) =  Find the probability that at least one household is tuned to 50 Minutes. P(at least one) =  Find the probability that at most one household is tuned to 50 Minutes. P(at most one) =  If at most one household is tuned to 50 Minutes, does it appear that the 26% share value is wrong? (Hint: Is the occurrence of at most one household tuned to 50 Minutes unusual?) no, it is not wrong yes, it is wrong

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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The television show 50 Minutes has been successful for many years. That show recently had a share of 26, which means, that among the TV sets in use, 26% were tuned to 50 Minutes.  An advertiser wants to verify that 26% share value by conducting its own survey, and a pilot survey begins with 11 households have TV sets in use at the time of a 50 Minutes broadcast.

Find the probability that none of the households are tuned to 50 Minutes.
P(none) = 

Find the probability that at least one household is tuned to 50 Minutes.
P(at least one) = 

Find the probability that at most one household is tuned to 50 Minutes.
P(at most one) = 

If at most one household is tuned to 50 Minutes, does it appear that the 26% share value is wrong? (Hint: Is the occurrence of at most one household tuned to 50 Minutes unusual?)

  • no, it is not wrong
  • yes, it is wrong
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