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Mathematics 15 Online
OpenStudy (zootedyoungin):

A paper cup is dropped and its landing position is recorded. The cup can land on the side, on the open end, or on the closed end. The results of 20 trials are shown in the table below (IMAGE) Based on the table, which of the following best compares the experimental probability of the cup landing on its open end with the experimental probability of the cup landing on its closed end? The probabilities are equal. The probability of landing on the open end is greater. The probability of landing on the closed end is greater. No conclusion can be made.

OpenStudy (zootedyoungin):

@agent0smith

OpenStudy (zootedyoungin):

OpenStudy (agent0smith):

probability of the cup landing on its open end = ? probability of the cup landing on its closed end = ?

OpenStudy (zootedyoungin):

open=8 closed=4

OpenStudy (zootedyoungin):

B

OpenStudy (zootedyoungin):

OpenStudy (zootedyoungin):

wait I need help with this one

OpenStudy (zootedyoungin):

Which ratio best defines theoretical probability? Number of possible outcomes:Number of favorable outcomes Number of favorable outcomes:Number of possible outcomes Number of nonfavorable outcomes:Number of possible outcomes Number of possible outcomes:Number of nonfavorable outcomes

OpenStudy (zootedyoungin):

I know what theoretical probability is(thanks to you) but they dont really describe it right

OpenStudy (agent0smith):

Oh cos ratios are annoying Favourable:non-favourable

OpenStudy (zootedyoungin):

?

OpenStudy (agent0smith):

God i hate these dumb ratio ones. Favourable:possible I guess

OpenStudy (zootedyoungin):

i put that too

OpenStudy (zootedyoungin):

OpenStudy (zootedyoungin):

I have no idea what to do

OpenStudy (agent0smith):

Find: Area of circle? Area of square?

OpenStudy (zootedyoungin):

square= 324?

OpenStudy (zootedyoungin):

circle= 56.52

OpenStudy (agent0smith):

Square looks okay if it is 18^2, circle is pi*9^2 and yours looks wrong

OpenStudy (zootedyoungin):

?

OpenStudy (zootedyoungin):

which one is wrong

OpenStudy (agent0smith):

Circle is def wrong

OpenStudy (zootedyoungin):

i did 18*18 for square

OpenStudy (zootedyoungin):

for circle i did 3.14*18

OpenStudy (agent0smith):

Area of a circle is pi times the radius squared

OpenStudy (zootedyoungin):

798.6276

OpenStudy (zootedyoungin):

798.6

OpenStudy (zootedyoungin):

does it have 21.5% chance of hitting the middle?

OpenStudy (agent0smith):

The radius is 9.

OpenStudy (zootedyoungin):

yeah 9*3.14=28.26

OpenStudy (zootedyoungin):

28.26x 28.26 right?

OpenStudy (agent0smith):

No. Order of operations. Pi * r^2

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