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categoryالرياضيات schoolبكالوريوس event_available2026-07-15

السؤال

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A jar contains 6 pennies, 5 nickels and 3 dimes. A child selects 2 coins at random from the jar without replacement. Let X represent the amount in cents of the selected coins. 1) Find the probability X = 10. (Please enter a reduced fraction) 10 Probability = 91 2) Find the probability X = 11. (Please enter a reduced fraction) 18 Probability = 91 05 3) Find the expected value (mean) of X. (Please show your answer to 1 decimal place) με 3.3 × Hint: Find the probability for each of the possible values of X.

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