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What is the probability of getting a license plate that has a repeated letter or digit if you live in a state that has three numerals followed by two letters followed by three numerals?
This is one minus the probability of having no repeated letters. The probability of having no repeated numbers is 10/10 x 9/10 x 8/10 x 7/10 x 6/10 x 5/10 which equals 0.1512. The probability of having no repeated letters is 26/26 x 25/26 = 0.96153846153846153846153846153846 These multiplied together gives 0.14538461538461538461538461538462 1 minus this is 0.85461538461538461538461538461538 And so the probability of having a repeater letter or digit is roughly 0.855
What is the number of 5 digit telephone numbers having atleast one of their digits repeated?
5 digit telephone numbers having at least one of their digits repeated is = total possible 5 digit telephone numbers - 5 digit telephone numbers without any digit being repeated. =(10*10*10*10*10)-(10*9*8*7*6) =100000-30240 =69760
How do you use recurrence in a sentence?
(Recurrence simply means a repeated occurrence, or repetition.)"In the experiment, they noticed a recurrence of the same unexplained effect."The doctor ordered more tests for the patient after the recurrence of her symptoms."
If a license plate consists of four digits how many licenses could be created having at least one repeated digit?
4960
What are the Hindi-Arabic numerals for XCCMXCIX?
There is no such number since the order of the characters is very important in Roman numerals and the given example has no ordered structure.
