Which situation has a probability of 1/2??

A picking the number “5” from the integers 1 to 10picking the number “5” from the integers 1 to 10

B rolling an odd number on a fair 6-sided number cuberolling an odd number on a fair 6-sided number cube

C randomly choosing the letter “s” from the word “Mississippi”randomly choosing the letter “s” from the word “Mississippi”

D randomly choosing a boy out of a class containing 8 boys and 12 girls