Mathematics, 20.05.2021 18:20 chickennuggets0621
The principal at a middle school gave a survey to randomly selected students, asking which activity of the after-school program they were attending.
If the number of students who participated in art decreased by 5, how many total students would the principal have expected in order to keep the number of students who participated in art proportional to the total number of students surveyed?
1: 64 students; because the new total number of students is now 64. The current total number of students is 80. There should be 16 fewer total students in the after-school activities to keep the number of students in the art activity proportional to the total number of students in the after-school activities.
2: 46 students; because the new total number of students is now 46. The current total number of students is 80. There should be 34 fewer total students in the after-school activities to keep the number of students in the art activity proportional to the total number of students in the after-school activities.
3: 69 students; because the new total number of students is now 69. The current total number of students is 80. There should be 21 fewer total students in the after-school activities to keep the number of students in the art activity proportional to the total number of students in the after-school activities.
pt 2:If the middle school had 2,000 students, how many students out of the total student population would she have expected to participate in each of the following activities?
Sports: 375,250,750,625
Music: 375,250,750,625
Art: 375,250,750,625
NONE: 375,250,750,625
WHO CAN DO IT THIS MUST BE SO FAR ONE OF THE HARDEST MUTLI GUESTIONS YALL EVER DONE well exespt for my firend JIM
Answers: 1
Mathematics, 21.06.2019 17:00
You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?
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Mathematics, 21.06.2019 21:40
The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?
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