مساله احصاء لوسمحتو

[ساعتي خربانه]

The average repair cost of a microwave oven is $55, with a standarddeviation of $8. The costs are normally distributed. If 12 ovens are repaired, find theprobability that the mean of the oven repair will be greater than $60.A) 0.015B) 0.4850

[Wa9aif B]

حليناها في تجمع الاحصاء

[ساعتي خربانه]

ممكن الرابط

[Wa9aif B]

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