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find 2 z valua so 41.08% the middle area bounded by them
answer : 0.54
how many 3_digit bassword are possible if digits by repeated ?
answer: 1000!
averga weigt of b ook 8.3 g .s.d 0.6 g. if 20%of book are oversized find minimum weigt the larg book .assume the varible normal distributed?
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