Basic probability question. Please solve with details showing the usage of formula for combination/permutation as needed....

Basic probability question. Please solve with details showing the usage of formula for combination/permutation as needed.

Question: A bowl contains 10 marbles, each with a color and a number denoted by B1, B2, B3, B4, R1, R2, R3, G1, G2, G3. Two marbles are randomly drawn without replacement.
(a) What is the size of the sample space?
(b) Determine the probability of drawing two marbles that has a sum of an odd number.
(c) Determine the probability of drawing the second marble marked with a 3.

Expert Solution

A bowl contains 10 marbles with color and number. Two balls drawn out of 10

A) Sample size is = 10*9/2 = 45

Hence sample size is 45 =5*9

B) Required prob =24/45

C) Required probability =27/45

Solution file is attached go through it

Thanks

orchestra answered 2 years ago

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