Question

A bag contains 8 red marbles, 4 white marbles, and 5 blue marbles. You draw one marble at random. Find P(red and blue).

Answer 1

@jim_thompson5910

Answer 2

draw one marble ?

Answer 3

?

Answer 4

draw one marble, impossible get 2 events

Answer 5

okay theres 17 marbles total. Am i supposed to take away a marble from the red and blue ?

Answer 6

i think ur question is P(red or blue) not P(red and blue)

Answer 7

You just said the same thing.

Answer 8

no, it is different

Answer 9

A) 40/17
B) 0
C) 12/17
D) 13/16

Answer 10

if u draw 2 marbles, yes correct it is P(red and blue)
but the condition of this case just only draw one marble, so it P(R or B)

Answer 11

P(R or B) = P(R) + P(B) = 8/17 + 5/17 = 12/17

Answer 12

Thank you

Answer 13

A spinner is numbered from 1 through 10 with each number equally likely to occur. What is the probability of obtaining a number less than 2 or greater than 7 in a single spin?

Answer 14

A) 2/5
B) 1/2
C) 2 2/2
D) 3/10

Answer 15

less than 2, it is 1
more than 7, they are 8,9 and 10
so, the total event is 4 events
4 of 10, means 4/10=2/5

Answer 16

Joey’s sock drawer is unorganized and contains 3 black dress socks, 5 black ankle socks, 7 brown dress socks, and 6 brown ankle socks. What is the probability that Joey will blindly reach into his sock drawer and pull out a sock that is brown or a dress sock?

Answer 17

A) 23/21
B) 1/3
C) 16/21
D) 4

Answer 18

sorry, i have to go now...
i want going to pray to mosque :)
next time i will help u

Answer 19

man okay.

Answer 20

well, for Q3)
P(brown or dress sock) = 13/21 + 10/21 - 7/21 = 16/21

btw for number 1 question before, just want confirm is ur question :
P(red and blue) OR P(red or blue) ??
if P(red and blue) then the answer is 0
if P(red or blue) then the answer is 12/17