Question

The probability of two events that are not mutually exclusive may be calculated using the formula [IMAGE BELOW]. In other words, the probability of [IMAGE BELOW]occurring is the sum of the probabilities, minus the probability that 2004-06-03-04-00_files/i0340003.jpg and 2004-06-03-04-00_files/i0340004.jpg occurred. Using this formula, calculate the probability of drawing a black card or any ten on a single random draw from a standard 52-card deck.

WILL GIVE MEDAL AND BECOME A FAN

Answer 1

be there in a sec

Answer 2

ok

Answer 3

4 10's

Answer 4

13 blacks

Answer 5

one of those blacks is a ten

Answer 6

so 13+4-1

Answer 7

16

Answer 8

OH WAit

Answer 9

26 blacks

Answer 10

because spades and clubs

Answer 11

4 tens

Answer 12

2 of those tens are black so

Answer 13

26+4-2

Answer 14

or 28

Answer 15

divided by all of the cards in the deck, or 52

Answer 16

so it could be b or c

Answer 17

so 7/13

Answer 18

so C

Answer 19

ok thankkss

Answer 20

one more question for reassurance

Answer 21

A sock drawer contains winter socks and summer socks. Both varieties come in two colors: white and black. There is a pair of each combination. If a sock is selected randomly, what is the probability it will be a black sock or a summer sock?

0.25 i think is the answer

Answer 22

is anyone here?

Answer 23

oh hang on a sec

Answer 24

black- 2
summer- 2
black and summer- 1
2+2-1

Answer 25

3

Answer 26

okay?

Answer 27

A.0.333
B.0.667
C.0.750
D.1

Answer 28

a 3/4 chance so .750
because there are 4 socks

Answer 29

Okay?

Answer 30

ok thank you

Answer 31

no prob

Answer 32

hey can i make a new page with the last two questions

Answer 33

yes, but i'm eating dinner now. 5 minutes? 15, tops

Answer 34

okay sure thank you so much!!!!!!

Answer 35

sorrry to bother you

Answer 36

no problem. i'm baaaaack!

Answer 37

OK