7. What is the smallest number of coin tosses n of a fair coin so that...
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7. What is the smallest number of coin tosses n of a fair coin so that the chance of getting 50 or more heads exceeds 90%? (You may need to do some trial and error. Alternatively, think of creating a data frame with a column n and a column for the probability and using this to find the answer.) 7. What is the smallest number of coin tosses n of a fair coin so that the chance of getting 50 or more heads exceeds 90%? (You may need to do some trial and error. Alternatively, think of creating a data frame with a column n and a column for the probability and using this to find the answer.)
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