Answer:
Step-by-step explanation:
Total students = 6 + 6 +8 + 4 + 2 +3 + 7 + 5 = 41
Probability of a chosen student be Physics or Chemistry or both =
[tex]\dfrac{8}{41}+\dfrac{4}{41}+\dfrac{5}{41}=\dfrac{17}{41}[/tex]