subject
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

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
Which value is not a solution of 8x^3 – 1 = 0
Answers: 1
question
Mathematics, 21.06.2019 17:30
Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle
Answers: 1
question
Mathematics, 21.06.2019 19:30
The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28
Answers: 1
question
Mathematics, 21.06.2019 20:40
Answer pls man im trying to get out of summer school
Answers: 1
You know the right answer?
Student council is deciding whether or not to add a soda vending machine to the cafeteria. luckily o...
Questions
question
Spanish, 23.05.2020 00:57