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anonymous
 one year ago
Jane surveys a random sample of 200 students from her middle school to learn what type of school lunch is preferred. The table below shows the result of the survey:
Lunch Type
Sandwich
Hot Dog
Salad
Number of students
84 85 31
Which of the following inferences can be made based on the data?
A sandwich is the most preferred lunch. A sandwich is two times more popular than a salad. Sandwiches and hot dogs are almost equally preferred. A hot dog is almost two times more popular than a salad.
anonymous
 one year ago
Jane surveys a random sample of 200 students from her middle school to learn what type of school lunch is preferred. The table below shows the result of the survey: Lunch Type Sandwich Hot Dog Salad Number of students 84 85 31 Which of the following inferences can be made based on the data? A sandwich is the most preferred lunch. A sandwich is two times more popular than a salad. Sandwiches and hot dogs are almost equally preferred. A hot dog is almost two times more popular than a salad.

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Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0total number of student: 84+85+31=...

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0please complete my computation

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0ok! right! probability for sandwich is: 84/200=...

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0yes! or equivalently 42%

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0next: probability for hot dog, is: 85/200=...

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0the probability is given by the subsequent ratio r: r= favorable outcome/possible outcome now we can consider our probabilities as experimental frequencies

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0\[\Large \frac{{85}}{{200}} = ...?\]

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0next: probability for salad, or experimental frequency for salad is: \[\Large \frac{{31}}{{200}} = ...?\] please complete my computation
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