Math Problem Statement

Diketahui 10 potong kertas diberi tulisan angka 1 sampai 10. Jika 2 potong kertas diambil lalu angka- angka pada potongan kertas tersebut dijumlahkan, peluang terambil potongan kertas dengan jumlah angkanya ganjil adalah ...

Solution

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Math Problem Analysis

Mathematical Concepts

Probability
Combinatorics
Odd and Even Numbers

Formulas

Combination formula: \binom{n}{r} = \frac{n!}{r!(n-r)!}
P(odd sum) = \frac{number of favorable outcomes}{total outcomes} = \frac{25}{45} = \frac{5}{9}

Theorems

Basic Probability Theorem

Suitable Grade Level

Grades 9-11