Abox of candy hearts contains 52 hearts, of which 19 are white, 10 are tan, 7 are pink, 3 are purple, 5 are yellow, 2 are orange, and 6 are green. if you select 9 pieces of candy randomly from the box, without replacement, give the probability that a. three of the hearts are white. b. three are white, 2 are tan, 1 is pink, 1 is yellow, and 2 are green.

Answer-

a. Probability that  three of the candies are white = 0.29

b. Probability that three are white, 2 are tan, 1 is pink, 1 is yellow, and 2 are green = 0.006

Solution-

There are 19 white candies, out off which we have to choose 3.

The number of ways we can do the same process =

As we have to draw total of 9 candies, after 3 white candies we left with 9-3 = 6, candies. And those 6 candies have to be selected from 52-19 = 33 candies, (as we are drawing candies other than white, so it is subtracted)

And this process can be done in,

So total number of selection = (969)×(1107568) = 1073233392

Drawing 9 candies out of 52 candies,

∴P(3 white candies) =

Total number of ways of selecting 3 whites, 2 are tans, 1 is pink, 1 is yellow, and 2 are greens is,

Total number of selection = 3 whites + 2 are tans + 1 is pink + 1 is yellow + 2 greens = 9 candies out of 52 candies is,

∴ P( 3 whites, 2 are tans, 1 is pink, 1 is yellow, 2 greens) =

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