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The probability the Tim will sink a foul shot is 70%. If Tim attempts 30 foul...

The probability the Tim will sink a foul shot is 70%. If Tim attempts 30 foul shots, what is the probability that
a) he sinks exactly 21 shots

b) he sinks at least 21 shots

c) he sinks at most 21 shots
Math   Statistics-And-Probability   
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