probability of this question

Mathematics
Tutor: None Selected Time limit: 1 Day

if one ball is selected at random determine the odds containing two digits. it is a ball rack of 15 balls labeled from 1-15

Jul 19th, 2015

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10, 11, 12, 13, 14 are 15 are the balls labeled with 2 digit numbers. 

Number of balls labeled with 2 digit numbers = 6

So, number of favorable outcomes = 6


Total number of balls = 15

So, total number of outcomes = 15


Probability of selecting a ball containing 2 digits

= Number of favorable outcomes / Total number of outcomes

= 6/15

= 0.4

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Jul 19th, 2015

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