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  1. Topics
  2. Statistics
  3. Stats Data and Models Study Set 1
  4. Quiz 12: From Randomness to Probability

An Online Poll Asked People What Their Main Source of News

Question 55
Multiple Choice

An online poll asked people what their main source of news was: newspapers,television,internet,or radio.Here are the results: img If we select a person at random from this sample of 917 people,what is the probability that the person responded "Newspapers"? A)0.130 B)0.242 C)0.177 D)0.430 E)0.264

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Q 56
An online poll asked people what their main source of news was: newspapers,television,internet,or radio.Here are the results: If we select a person at random from this sample of 908 people,what is the probability that the person responded "Internet" or "Radio"? A)0.116 B)0.704 C)0.296 D)0.181 E)269
Q 57
In a survey of women who were asked to name their favorite colour,16% said blue,19% said red,19% said green,12% said yellow,and 11% said black.If you pick a survey participant at random,what is the probability that she named a colour different from the aforementioned colours? A)0.16 B)0.23 C)0.77 D)0.20 E)0.82
Q 58
In a survey of women who were asked to name their favorite colour,18% said blue,16% said red,17% said green,12% said yellow,and 14% said black.If you pick a survey participant at random,what is the probability that her favorite colour is yellow or black? A)0.14 B)0.26 C)0.74 D)0.12 E)0.34
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