A bag contains $\displaystyle {8}$ $\displaystyle {r}{e}{d}$ marbles, $\displaystyle {6}$ $\displaystyle {b}{l}{a}{c}{k}$ marbles, $\displaystyle {3}$ $\displaystyle {y}{e}{l}{l}{o}{w}$ marbles. If one marble is drawn from the bag then replaced, what is the probability of drawing a $\displaystyle {r}{e}{d}$ marble then a $\displaystyle {y}{e}{l}{l}{o}{w}$ marble?
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In a number guessing game. You ask a person to guess a number from one 1 to 10. If the person makes a random guess, what is the probability their guess will be less than $\displaystyle {4}$?
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A bag contains $\displaystyle {6}$ $\displaystyle {g}{r}{e}{e}{n}$ marbles, $\displaystyle {3}$ $\displaystyle {y}{e}{l}{l}{o}{w}$ marbles, $\displaystyle {8}$ $\displaystyle {b}{l}{a}{c}{k}$ marbles. If one marble is drawn from the bag but not replaced, what is the probability of drawing a $\displaystyle {g}{r}{e}{e}{n}$ marble then a $\displaystyle {b}{l}{a}{c}{k}$ marble?
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