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Earn +20 ptsQ: Who came up with the idea of probability and why?
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Continue Learning about Statistics
Is areas within a continuous probability distribution represent probabilities?
i dont have an idea
What is the probability of a flipped coin landing on its side?
The probability of a coin landing head-side down is 0.5 The probability of landing head-side up is 0.5 Did you mean to ask the probability of it landing on its edge ?
Two events in which eitherone or the outher must take place but they can't both happen at the same time The probability is 1?
This is correct. For example the probability of tossing a coin so that it comes up heads is 1/2 and the probability that it comes up tails is also 1/2. The probability that it will come up either heads or tails is 1.
The probability that a given student will show up for the test is 0.9 if there are 27 students in the class what is the probability that everyone will show up?
.9^27, or approximately .058 = 5.8%
If you flip a coin 5 times what is the probability it comes up heads on the 3rd flip?
The probability of 'heads' on any flip is 50% .
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