Question 1202427
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A TWIN problem was solved under this link


https://www.algebra.com/algebra/homework/Probability-and-statistics/Probability-and-statistics.faq.question.1202308.html


with detailed description of the method.


If you apply the same method to the current problem, you will get the following answers


     (a)    p = 1.00


     (b)    p = 0.00


     (c)    p = 1.00


with at least two correct decimals after the decimal dot.