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Mathematics 8 Online
blakev1503:

@snowflake0531 Give an example of an event that is certain and an event that is impossible. What are the probabilities for each event? If you flip a coin 200 times, approximately how many times will it land heads up? What is the difference between experimental and theoretical probability? If I flip a coin 200 times and it lands heads up every time, what is the probability that it will land heads up on the next flip?

blakev1503:

@snowflake0531

snowflake0531:

Look back to this problem https://questioncove.com/users/blakev1503#/updates/6048e4fd4f9228ea2d237800

snowflake0531:

Number 1. Give an example of an event that is certain and an event that is impossible. What are the probabilities for each event?

snowflake0531:

First, something that is certain. Since we're talking about coins, I can say for sure that the coin will land on either heads or tails.

snowflake0531:

Something that is impossible could be, idk, like, not breathing for a whole day?

snowflake0531:

What are the probabilities for each event? 100% I will get either heads or tail 100% I will breathe

snowflake0531:

If you flip a coin 200 times, approximately how many times will it land heads up? What is the difference between experimental and theoretical probability? If I flip a coin 200 times and it lands heads up every time, what is the probability that it will land heads up on the next flip?

snowflake0531:

If you flip a coin 200 times, approximately how many times will it land heads up? What is the difference between experimental and theoretical probability? For this one, you'll have to flip the coins yourself, which is experimental probability. Theoretical probability is 50% heads, 50% tails. So, for example, if you get 114 heads, that is 57%, so, the difference is 7%

snowflake0531:

If I flip a coin 200 times and it lands heads up every time, what is the probability that it will land heads up on the next flip? The regular theoretical probability of getting one heads is 1/2, 50% So, if you wanted it to get the 201st, it would be (1/2)^201 (I think)

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