Winnie used a probability simulator to roll a 6-sided number cube and flip a coin 100 times. The results are shown in the tables below:

- moazzam07

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- anonymous

tables?

- moazzam07

##### 1 Attachment

- moazzam07

Using Winnie's simulation, what is the probability of rolling a 4 on the number cube and the coin landing heads up?
16 over 100
72 over 100
1232 over 10000
2432 over 10000

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## More answers

- anonymous

what is the probability of rolling a 4 according to the table?

- anonymous

28/100

- moazzam07

ok

- anonymous

the probability of landing heads up is 44/100

- anonymous

so do 28 over 100 times 44 over 100

- moazzam07

let me do it

- anonymous

okay :)

- anonymous

I'll tell you if it is right

- moazzam07

your too fast

- anonymous

do you know how to multiply fractions?

- moazzam07

77/627

- moazzam07

625

- anonymous

|dw:1438366467234:dw|

- anonymous

44*28 is 1,232

- anonymous

and 100*100 is 10,000

- anonymous

did you use a fraction calc?

- anonymous

just wondering...

- moazzam07

yes :(

- anonymous

I'll show you how to multiply fractions

- moazzam07

I know how but i dont have paper on me

- moazzam07

Give me a problem and ill answer it

- anonymous

\[\frac{ 28 }{ 100 } \times \frac{ 44 }{ 100 } = \frac{ 1,232 }{ 10,000 }\]

- anonymous

since 28*44 is 1232 and 100*100 is 10,000

- anonymous

okay

- moazzam07

ok

- anonymous

do

- moazzam07

do what?

- anonymous

\[\frac{ 3 }{ 4 }\times \frac{ 1 }{ 2 }\]

- anonymous

do 3*1 across and 4*2 on the bottom

- moazzam07

1 and 1/4

- moazzam07

XD this is Sad

- anonymous

no

- anonymous

don't worry

- moazzam07

3/8?

- anonymous

|dw:1438366891504:dw|

- anonymous

yes 3/8

- anonymous

Do you want to try another one?

- moazzam07

yes

- anonymous

\[\frac{ 5 }{ 8}\times \frac{ 1 }{ 2}\]

- moazzam07

5/16

- anonymous

correct :)

- anonymous

do you get how to multiply fractions now?

- moazzam07

Yes but i still dont know the answer to this question i just asked

- anonymous

do you know how to find the probability of one event

- moazzam07

yea

- anonymous

example: Lucy had 10 blue shoes. 4 were pink and 6 were blue. What is the probability of getting a pink shoe?

- moazzam07

6/20

- anonymous

4/10

- anonymous

sorry, not including the pairs of shoes

- anonymous

just shoes by itself

- anonymous

sorry, bad example

- moazzam07

Oh

- anonymous

let's try another example

- moazzam07

But what was the answer

- anonymous

I had 7 blueberries and 14 apples. What is the probability of getting an apple?

- moazzam07

14/21

- anonymous

ignore the other example

- moazzam07

ok

- anonymous

correct

- anonymous

okay so what is the probability of getting heads up from your table

- moazzam07

18/32?

- anonymous

no

- anonymous

how many times was the coin flipped?

- moazzam07

Oh yeah wait

- moazzam07

18/50

- anonymous

no, it was flipped 100 times

- anonymous

how many times did it land on heads?

- moazzam07

Oh yeah i was looking at the wrong question

- anonymous

lol

- moazzam07

44/100

- anonymous

yes

- anonymous

now what is the probability of getting a 4 on the dice cube

- moazzam07

1/6

- anonymous

according to the table

- moazzam07

28/100

- anonymous

yes

- anonymous

to combine the probability of two events, multiply the probability of each event happening

- moazzam07

1232/10000

- anonymous

in this case, \[\frac{ 44 }{ 100 }\times \frac{ 28 }{ 100 }\]

- anonymous

yes, that is correct

- moazzam07

yay

- anonymous

YAY

- anonymous

next question

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