a telephone directory commonly called a telephone book (I)probability that the unit digit of chosen number is less than 3
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Answer:
B)
Step-by-step explanation:
Correct option is
B
300
131
Total number of frequency distribution of unit digit greater than 3 but less than 9 =25+14+16+38+38=131
Total phone no of phone directory =300
So the probability of picking unit digit no greater than 3 and less than 9 will be =
300
131
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