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Mathematics 21 Online
OpenStudy (anonymous):

Mrs. Jones buys two toys for her son. The probability that the first toy is defective is 1/3, and the probability that the second toy is defective given that the first toy is defective is 1/5. What is the probability that both toys are defective? 1/15 1/4 1/8 3/5

OpenStudy (anonymous):

which one do you think it is

OpenStudy (anonymous):

3/5 idk!

OpenStudy (anonymous):

1/8?

OpenStudy (anonymous):

am i right?

OpenStudy (anonymous):

i was thinking 1/8 as well

OpenStudy (anonymous):

alright im gonna try it

OpenStudy (anonymous):

damn it, it was wrong

OpenStudy (anonymous):

wha was it

OpenStudy (anonymous):

FUTURE PLATO PEOPLE IT'S NOT 1/8!!!

OpenStudy (anonymous):

i dont know it doesnt say

OpenStudy (anonymous):

alright thanks anyways (:

OpenStudy (anonymous):

You sure?

OpenStudy (anonymous):

well for now yea

OpenStudy (anonymous):

actually can u help me with this one

OpenStudy (anonymous):

Each month, a retail store awards a blue ribbon to its employee of the month. The probability that Chloe is the employee of the month is 29% in January and 49% in February. What is the probability that she is awarded a blue ribbon in both January and February? 14.21% 19.51% 10.00% 21.81%

OpenStudy (anonymous):

the answer to the last one is 1/15 I had read you question wrong

OpenStudy (anonymous):

ohh ok

OpenStudy (anonymous):

can u please help me on this one?

OpenStudy (anonymous):

i have two mote questions and i cant get neither of them wrong

OpenStudy (anonymous):

more*

OpenStudy (anonymous):

okay I wil try

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

a because they are independent events so you do 49 times 29 to get a

OpenStudy (anonymous):

omg are u sure? im scared! lol

OpenStudy (anonymous):

lol

OpenStudy (anonymous):

so u think it's 14.21?

OpenStudy (anonymous):

percent

OpenStudy (anonymous):

it was right!

OpenStudy (anonymous):

thank you soooo much!

OpenStudy (anonymous):

yay!

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