Question

I would really appreciate help with this!!

The following table depicts the Nobel Prize winners in some categories by country from 1901 to 1998. Use this table to answer the questions that follow.

Answer 1

a) If a winner is chosen at random, what is the probability that he or she won in the field of medicine, given that he or she is from the US?

Answer 2

b) If a winner is chosen at random, what it the probability that he or she won an award in physics or chemistry, given that he or she was from the Soviet Union?

Answer 3

given that she is from the US?
step1: add up all the medals for the US

she won in the field of medicine,
find the # of US medals in medicine and divide by the number from step 1

Answer 4

what do you get for part a) ?

Answer 5

82 / 198 = 0.4141 ?

Answer 6

@phi is that right??

Answer 7

yes

Answer 8

So for part b) would it then be 17 / 18 = 0.9444

Answer 9

for b) it is almost the same approach

given that he or she was from the Soviet Union?
step 1: add up number of medals for the Sov. Union

physics or chemistry
add up medals the USSR won for physics and chemistry
divide by the number from step 1

Answer 10

17 / 18 = 0.9444 right?

Answer 11

yes

Answer 12

okay, I have one more question with this table.

Answer 13

c) If a winner is chosen at random, what is the probability that he or she is from the United States given that the award was won in the field of medicine?

Answer 14

given that the award was won in the field of medicine
step 1: add up all the medals for medicine

from the US: find the # of US medals in medicine and divide by step 1

Answer 15

82 / 144 = 0.5694 ?

Answer 16

yes

Answer 17

Thank you soo much!!!

Answer 18

I really appreciate it