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طيب في كمان اخر سؤال
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)
0.84 gram
D) 8.804 grams