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What is the probability that a 3-digit positive integer picked at random will have one or more 7 in its digits?
A three digit number can be chosen in 9*10*10 = 900ways No. of ways to choose a three digit number without 7 is 8*9*9 = 648 ways probability of picking a three digit number that includes atleast one digit that is 7 is 1- (648/900) = 252/900 = 7/25
How a 6 digit number combination for lottery will win?
how to win Eromillion lottery how to find out lottery number combination give me idea about lottery number combination i want to winn eromillion
What is the probability of three digit numbers without repeated digits with numbers 0123456?
It is possible to create a 3-digit number, without repeated digits so the probability is 1.
If 5 is a factor of a number what is the probability that the ones digit of the number is 5?
If 5 is a factor of a number, it means the number is divisible by 5. For the ones digit of the number to be 5, the number must end in 5. Since there are 10 possible digits (0-9), and only one of those digits is 5, the probability of the ones digit being 5 is 1 out of 10, or 1/10.
What is the probability that a random 2-digit number 00-99 does not end in 5?
It is 1/10.
