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Mathematics 7 Online
mykenzie:

A chef draws cookies randomly from a box containing 6 cookies of the same shape and size. There is 1 chocolate cookie, 3 almond cookies, and 2 butter cookies. He draws 1 cookie and then draws another cookie without replacing the first one. Find the probability of picking 1 almond cookie followed by another almond cookie, and show the equation used.

Tonycoolkid21:

1 + 3 + 2 = 6 1 / 6 = 0.16 x 100 = 16% 1 / 5 = 0.2 x 122 = 20%

crispyrat:

ok so he first has a chance of 3/6=1/2 for the almond cookie then after that he has 5 cookies left and so has a 2/5 chance to find the probabilty of one after another you have to multiply 3/6*2/5

crispyrat:

@tonycoolkid21 wrote:
1 + 3 + 2 = 6 1 / 6 = 0.16 x 100 = 16% 1 / 5 = 0.2 x 122 = 20%
that is wrong there is 3 almond cookies so 3/6 take one away 2 almond cookies left and 5 cookies in total so 2/5

Tonycoolkid21:

ok

mykenzie:

ok

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