Jake throws a dart that hits the square shown below:
A square is drawn. A circle of radius 8 units touches the sides of the square.
What is the probability that the dart hits a point in the circle?
16%
21.5%
64%
78.5%
I got D

- nuccioreggie

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- nuccioreggie

@TheSmartOne please help me

- anonymous

the idea is that it is the ratio of the areas

- nuccioreggie

Ok is d correct?

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## More answers

- anonymous

square has area \(16^2\) if i read it correctly

- anonymous

circle has area \(64\pi\)

- anonymous

calculate
\[\frac{64\pi}{16^2}\] use a calculator

- nuccioreggie

Ok here it is so u can get it better

##### 1 Attachment

- anonymous

yeah i got D too

- anonymous

http://www.wolframalpha.com/input/?i=64pi%2F16^2

- anonymous

go with D looks good

- nuccioreggie

Ok can u help me with like 4 or 5 more please ill tag u ok?

- anonymous

ok

- anonymous

if i know them that is

- nuccioreggie

Henry tossed a coin several times and recorded the number of heads and tails in the following table:
Coin Experiment
Side of Coin Number of
Tosses
Heads 12
Tails 18
What is the experimental probability of getting heads?
0.4
0.7
1.2
1.8

- anonymous

experimental probability means "relative frequency: ratio of favorable to total

- anonymous

total tosses?

- nuccioreggie

I think c or b

- anonymous

total tosses?

- anonymous

yeah it has to be A or B must be less than one

- nuccioreggie

Its A

- anonymous

it is definitely \(\frac{12}{30}\) reduce i guess

- anonymous

yeah \(0.4\)

- nuccioreggie

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:
A chart shows tally marks. Main title for the chart is Paper Cup Experiment. The title for the second column is Number of times occurred. The tally mark corresponding to open shows a set of 4 vertical lines cut by a slanting line. The tally mark corresponding to closed shows a set of 4 vertical lines cut by a slanting line. The tally mark corresponding to side shows 2 sets of 4 vertical lines cut by a slanting line.
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.

- nuccioreggie

Its C i think

- anonymous

i can't really understand that

- nuccioreggie

Ok 1sec

- nuccioreggie

Here it is

##### 1 Attachment

- anonymous

open and closed are the same right? both five

- anonymous

so equal

- nuccioreggie

Yea i say. c

- anonymous

not C, A

- nuccioreggie

But its an extra one at the bottom

- anonymous

let me look again

- anonymous

no looks like 5 and 5 to me

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