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- anonymous

Question 11 (Multiple Choice Worth 1 points)
(06.05 HC)
Two groups separately performed an experiment by tossing a coin in the air. Group A performed 50 trials and group B performed 100 trials. Each group recorded the results in the table below:
Group Heads Tails
A 30 20
B 52 48
What conclusion can be drawn about the number of trials and the probability of the coin landing on heads or tails?

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- anonymous

- jamiebookeater

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- anonymous

The experimental probability and the theoretical probability for group A is same.
The experimental probability and the theoretical probability for group B is same.
The experimental probability is closer to the theoretical probability for group B than group A.
The experimental probability is closer to the theoretical probability for group A than group B.

- anonymous

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- phi

the "experimental probability" is from the numbers in your table.
the theoretical probability is from "theory"
any idea what the theoretical probability is to get "heads" when you flip a coin ?

- anonymous

i have no idea @phi

- phi

if you flip a coin lots of times, do you expect to get:
1) more heads than tails
or
2) more tails than heads
any idea?

- anonymous

nope

- ali2x2

what's the theoretical prob of 50 coin tosses?

- ali2x2

landing heads I mean

- anonymous

30?

- ali2x2

no 25/25

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