SOLUTION: Respected Sir, plz solve my probability sums.. 1]Lottery balls numbered consecutively from 1 through 100 are placed in a spinner.If one ball is draw at random,what is the proba

Question 215254: Respected Sir,
plz solve my probability sums..
1]Lottery balls numbered consecutively from 1 through 100 are placed in a spinner.If one ball is draw at random,what is the probability that it will have the number 1 on it exactly once?
waiting for yur reply.
thank u.
regards
binita
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
How many integers beween 1 and 100 have only a single 1 in them?
1,
10-19 except 11 (9 of them)
21,31,41,51,61,71,81,91 (8 of them)
100
I get 19 total
So the odds are 19/100 or 0.19
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