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Mathematics 19 Online
OpenStudy (anonymous):

Two groups performed an experiment separately by tossing a coin in the air. Group E performed 50 trials and group F performed 100 trials. Each group recorded the results in the table below: Group Heads Tails E 32 18 F 52 48

OpenStudy (anonymous):

What conclusion can be drawn about the number of trials and the probability of the coin landing on heads or tails? The experimental probability is closer to the theoretical probability for group E than group F. The experimental probability is closer to the theoretical probability for group F than group E. The experimental probability and the theoretical probability for group E is the same. The experimental probability and the theoretical probability for group F is the same.

OpenStudy (anonymous):

@freckles @Dodgegirl

OpenStudy (anonymous):

@sammixboo

OpenStudy (anonymous):

@bibby

OpenStudy (bibby):

what's the theoretical prob of 50 coin tosses?

OpenStudy (bibby):

landing heads I mean

OpenStudy (anonymous):

25?

OpenStudy (bibby):

yeah 25/25. let me read the choices again. a bit distracted atm

OpenStudy (anonymous):

haha ok

OpenStudy (anonymous):

so, 25/50

OpenStudy (anonymous):

then what do you do?

OpenStudy (bibby):

ok so group e did 50, 25/25 group f did 100 trials so 50/50 then you have to see which one is closer to the theoretical

OpenStudy (bibby):

I assume it's obvious

OpenStudy (anonymous):

25/25? is that right? i thought the theoretical probability was 25/50, right?

OpenStudy (bibby):

I'm not sure what you're doing. there were 2 different groups testing

OpenStudy (bibby):

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