Ask Question
5 July, 11:02

Probability word problem

In a group of 30 students, there are 14 girls and 4 of them can speak French. 6 of the 16 boys can speak French. If a student is selected randomly from the group, find the probability that the selected student:

a) can speak French:

b) is a boy:

c) is a girl who can speak French:

+5
Answers (2)
  1. 5 July, 11:23
    0
    see below

    Step-by-step explanation:

    A can speak french

    There are 10 students who can speak french, 4 girls and 6 boys

    P (french) = speak french / total

    = 10/30

    = 1/3

    B is a boy

    There are 16 boys

    P (boy) = boys/total

    = 16/30

    8/15

    C girl who can speak french

    There are 4 girls who can speak french

    P (girl who can speak french) = girl who can speak french / total

    =4/30

    2/15
  2. 5 July, 11:28
    0
    a) 1/3

    b) 8/15

    c) 2/15

    Step-by-step explanation:

    Total students: 30

    Girls: 14

    Boys: 30 - 14 = 16

    French speaking: 4 + 6 = 10

    a) P (French speaking) = 10/30

    1/3

    b) P (boy) = 16/30 = 8/15

    c) P (French speaking girl) = 4/30

    = 2/15
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Probability word problem In a group of 30 students, there are 14 girls and 4 of them can speak French. 6 of the 16 boys can speak French. ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers