25. It is known that a randomly selected pair of boots is Black (C1 ), what is t

Question

25. It is known that a randomly selected pair of boots is Black (C1 ), what is the probability that it is not a pair of Riding boots( 3S )? (2)

(A) 0.650 (B) 0.350 (C) 0.833 (D) 0.895 (E) none of the above

Use the following scenario and data for questions 16 to 30: A department store carries four styles of women's boots: Dressing Boots, Calf Boots, Riding Boots and 50-50 Boots. For casy reference, these styles are labeled as S,, S2. S, and S4, respectively. Each style has four colors: Black, Cocoa, Cognac and Brown. Also for easy reference, these colors are labeled as C1, C2, C3 and C4 , respectively. The following table lists the numbers of pairs of boots in stock for different styles and colors. Style Color Dressing (S Calf (S2 Riding (S3) 50-50 (S4) Sum Black (C1) Cocoa (C2) Cognac (C3) Brown (C4) Total 17 14 21 16 13 12 60 15 52 10 19 37 200 48 54 36

Explanation / Answer

No of boots other than Riding boots = 17+18+4 =39

Total boots ofblack color = 60

PRob = 39/60 =0.650

Answer Option A)

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