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27-10-2022
Mathematics

Answered

A student has heard that spinning pennies on a table, rather than flipping them in the air, results in tails side up 65% of the time. If this is true, what is the probability that a student who spins 4 pennies will have at least one land heads side up?
0.0150
0.1785
0.8215
0.9850

Answer :

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