رد: يلا نذاكر أحصاء سوآ ..
هاااااي عندي سؤالين بنموذج الامتحان A
33. Find the probability P(–0.09<z < 2.37)
A) 0.4911
B) 0.527
C) 0.0359
D) 0.4552
االاجابه B
االتاني
25. The average weight of books on a library f is 8.3 grams. The standard deviation
is 0.6 grams. If 20% of the books are oversized , find the minimum
weight of the large books on the library f. Assume the variable is normally
distributed.
A) 8.612 grams
B) 0.3 gram
C) 0.84 gram
D) 8.804 grams
الاجابه D
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