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Mathematics 24 Online
OpenStudy (anonymous):

3. A school has an equal number of boys and girls. You use a coin to simulate the first three students to arrive at school each day, where "heads" represents boy and "tails" represents girl. The table shows a sample of 20 coin tosses. Table: http://gyazo.com/cfd04a7db5189184e60182310cf7b4b8 Find the experimental probability that the first three students to arrive at the school are boys. 3/20 1/5 3/10 1/4 4. Find the experimental probability that two out of the first three students to arrive at the school are girls. 1/5 1/4 2/5 1/8

OpenStudy (anonymous):

@jabez177 @Waffle @freckles @youngnephew34 @OceanBEAUTI16 @hhelpplzzzz @Gokuporter @vampiregodess @CallMeKiki @nikvist @Xnlovely

jabez177 (jabez177):

Quick question, what grade are you in?

OpenStudy (anonymous):

7th

jabez177 (jabez177):

Me too! |I just learned this 4 months ago. I can't exactly remember this though... Sorry.

jabez177 (jabez177):

I can try.

OpenStudy (anonymous):

thanks lol :D

OpenStudy (anonymous):

maybe its 3/10 because they have 20 students and the amount of boys and girls are even what do u think?

OpenStudy (anonymous):

or 3/20 idk

jabez177 (jabez177):

I think I'm agreeing with you.

OpenStudy (anonymous):

which one? A or C?

jabez177 (jabez177):

3. A 4. is A I think.

OpenStudy (anonymous):

i think 3/20 cuz it says students not boys

jabez177 (jabez177):

I was thinking that too. For #3.

OpenStudy (anonymous):

yeah but what about 4?

jabez177 (jabez177):

A. I think

OpenStudy (anonymous):

It was C... it ok :)

jabez177 (jabez177):

Sorry.

OpenStudy (anonymous):

it didn't effect my grade so its all good :)

jabez177 (jabez177):

Great!

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