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The probability that Tim will sink a foul shot is 70%. If Tim attempts 30 foul shots, what is the probability that he sinks exac
2 answers:
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Answer: A.
Step-by-step explanation:
Total digits on keypad = 5
According to permutation,
If repetition of digits is not allowed then the number of 5-digits passwords can be formed = 5!
= 5 x 4 x 3 x 2 x 1 [n!=n x (n-1) x (n-2)x ... x 1]
=120
The probability that someone guesses the correct code =
Hence, the correct option is A.