nuccioreggie
  • nuccioreggie
This question is tricky. help
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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nuccioreggie
  • nuccioreggie
Two groups separately performed an experiment by tossing a coin in the air. Group C performed 50 trials and group D performed 100 trials. Each group recorded the results in the table below: Group Heads Tails C 31 19 D 51 49 What conclusion can be drawn about the number of trials and the probability of the coin landing on heads or tails? The experimental probability and the theoretical probability for group C is same. The experimental probability and the theoretical probability for group D is same. The experimental probability is closer to the theoretical probability for group C than group D. The experimental probability is closer to the theoretical probability for group D than group C.
anonymous
  • anonymous
its d
anonymous
  • anonymous
the last question u posted was d

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nuccioreggie
  • nuccioreggie
This is a different one
nuccioreggie
  • nuccioreggie
Ok
kropot72
  • kropot72
If you tossed a fair coin 50 times, how many heads would you expect?
nuccioreggie
  • nuccioreggie
I think it would me C @kropot72
nuccioreggie
  • nuccioreggie
Whats ur opinion
kropot72
  • kropot72
So I can help you, please answer my question: "If you tossed a fair coin 50 times, how many heads would you expect?"
kropot72
  • kropot72
If you tossed a fair coin many times, you would expect to get heads about half of the time. Do you agree?
nuccioreggie
  • nuccioreggie
Yes i do agree
kropot72
  • kropot72
Good. Then back to my question: If you tossed a fair coin 50 times, how many heads would you expect?
nuccioreggie
  • nuccioreggie
Bout 50
kropot72
  • kropot72
So you think that if you tossed a fair coin 50 times, it would come up heads nearly every time?
nuccioreggie
  • nuccioreggie
I think
nuccioreggie
  • nuccioreggie
25
kropot72
  • kropot72
Yes, you would expect heads about 25 times. In the question group C got heads 31 times in 50 tosses, so the experimental probability is higher than the theoretical probability. However group D got 51 heads in 100 tosses, so the experimental probability is very close to the theoretical probability. Do you understand?
nuccioreggie
  • nuccioreggie
Yes ok so its C
nuccioreggie
  • nuccioreggie
Sorry i ment D
kropot72
  • kropot72
Yes, D is correct.

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