A class contains 8 mathmeticians, 7 scientists, and 2 artists. 3 students are picked from the class to take part in a school trip. Find the probability that none of them are scientists and find the probability that they are all in the same profession.

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.

c - they will have the same distribution

step-by-step explanation:

this is the only one that could make sense. : )

you need to give us more information since we can't answer