Mathematics
Mathematics, 09.10.2019 21:00, xxaurorabluexx

Student council is deciding whether or not to add a soda vending machine to the cafeteria. luckily one of the questions on the incoming survey was "on average, how many soft drinks do you drink each day? " looking at all of the responses, they find that the average is 2.3 drinks per day with a standard deviation of 1.0 drinks. a. to begin, the student council wants to know about how many students drink soda in general. how likely is it that a randomly chosen student drinks 1 soft drink or more each day? b. one of the members on the student council thinks that one vending machine won’t be enough. how likely is it that a randomly chosen student drinks more than 3 soft drinks per day? c. to get a second opinion, the student council randomly chooses 9 students and asks them how many soft drinks they drink each day. they get a sample average of 4.1 and want to know if this is typical. knowing the population parameters, how likely was it that a sample of 9 students would have an average of 4.1 or

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Student council is deciding whether or not to add a soda vending machine to the cafeteria. luckily o...

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