Question

PLZ HELP!!!!!!!!!!!!!!!! MEDAL TO BEST ANSWER.


Determine the sum of the given probabilities. Are the events complementary?


P(gold) =4/11 ; P(silver) =7/11



A.
1 The events are complementary.


B.
1 The events are not complementary.


C.


1/2The events are complementary.


D.


1/2 The events are not complementary.

Answer 1

to know if they are complementary or not
add up the two probabilities of those two events ( gold and silver)

Answer 2

if they add up to 1 then they are complementary if not then they are not

Answer 3

so b

Answer 4

Do you get it?

Answer 5

B said there are not complementary
did you add up the prob to find out?
I think they add up to 1 don't you agree?

Answer 6

see what i said above!!!!

Answer 7

i do agree thank you for your help

Answer 8

then the answer is what?

Answer 9

Just to make sure you understand this^_^
you said the answer was B, but that's not true you know

Answer 10

it is a right

Answer 11

Why do you think it is right?

Answer 12

i met is a right not i know that the answer is a

Answer 13

i give you the steps to check what answer is right!

Answer 14

but i do not understand what you where saying

Answer 15

Oh well! i said if you need to check if two events are complementary you need to sum their probabilities and see they equal to 1.

Answer 16

can you tell me the answer plz i been on this question for about hour

Answer 17

1 hour is nothing hehe
you need to spend more time on this if you want to understand it

Answer 18

the other questions i got in like two min this test only has five question and i am only on question three i should not be on this test forever so plz just tell me the answer

Answer 19

@xapproachesinfinity

Answer 20

Oh no! no answers!! i give you all you need to do to answer thiis already

Answer 21

@SolomonZelman plz help me because I do not understand what @xapproachesinfinity is saying

Answer 22

so it is c or d

Answer 23

@xapproachesinfinity