Mathematics, 16.10.2020 22:01 jimeneznancy650

Dropping a piece of buttered toast will theoretically land butter-side down with a probability of 0.65. Some students decided to test this theory and dropped five pieces of buttered toast. All five landed butter-side down. One of the students claims that the next piece of buttered toast dropped will land butter-side up because it is due to happen. Is the student’s reasoning correct?

Yes, the students need to start dropping buttered toast to land butter up to get back to 0.65.
No, the probability of buttered toast landing butter-side down is 0.65 over a large number of trials.
No, if buttered toast lands butter-side down five times in a row, the probability must be higher than 0.65.
Yes, it is unlikely that five pieces of dropped buttered toast will land butter-side down, so butter up must be due.

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