In a basket, there are 6 grapes, 11 bananas and 13 oranges. If one fruit...

JAMB 2007

In a basket, there are 6 grapes, 11 bananas and 13 oranges. If one fruit is chosen at random. What is the probability that the fruit is either a grape or a banana

A. ⁶/₃₀
B. ⁵/₃₀
C. ¹⁷/₃₀
D. ¹¹/₃₀

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Correct Answer: Option C

Explanation

Number of grapes = 6
Number of banana = 11
Number of oranges = 13
Total = 30
P(Grape) = ⁶/₃₀, P(Banana) = ¹¹/₃₀
P(Orange) = ¹³/₃₀
∴P(Either grape or banana) = ⁶/₃₀ + ¹¹/₃₀
= ¹⁷/₃₀

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In a basket, there are 6 grapes, 11 bananas and 13 oranges. If one fruit...

Correct Answer: Option C

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