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[جناان]

المشاركة الأصلية كتبت بواسطة جناان عندي سؤالين في نماذج الاختبارات ماعرفت كيف تنحل a supermarket employs cashiers, managers, and cleaner. The distribution of employees according to marital status is shown here. (use the following table to answer questions 14, 15, 16) cashier manager cleaner total married 8 12 3 23 not married 5 15 2 22 total 13 27 5 45 14. The employee is a cashier given that he is married a) 4 11 b) 5 23 c) 8 23 d) 5 22 والجواب c والتاني 18. Urn 1 contains 5 red balls and 3 black balls. Urn 2 contains 3 red balls and 1 black ball. Urn 3 contains 4 red balls and 2 black balls. If an urn is selected at random and a ball is drawn. Find the probability it will be red? A) 2 3 b) 49 72 c) 23 72 d) 49 24 الجواب b

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