SOLUTION: From numbers 3,5,5,7,7,7,9,9,9,9 one numbers is selected at random find the probability that the selected number is mean
Please help me to solve this sum
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Question 952028: From numbers 3,5,5,7,7,7,9,9,9,9 one numbers is selected at random find the probability that the selected number is mean
Please help me to solve this sum
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
The sum of the 10 numbers is 70 so the mean is 70/10=7
Since three of the ten numbers are sevens, the chance a 7 will be chosen is 3 in 10 or 3/10(100%)=30%
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