نظرة امل

a town has 2 fire engines operating independently . The probability that a specific engine is available when needed is 0.96 a- What is the probability that neither is available when needed? b- What is the probability that a fire engine is available when needed?

اريد حل هذا السؤال a paint-store chain produces and sells latex and semigloss paint .Based on long-range sales, the probability that a customer will purchase latex paint is 0.75. Of those that purchase latex paint , 60% also purchase rollers. But only 30% of semigloss paint buyers purchase rollers . A randomly selected buyer purchases a roller and a can of paint . What is the probability that the paint is latex? ابي حله بالتفصيل s

لا استطيع ان اضيف موضوع بقسم علم الاحصاء ولا استطيع الرد ايضا لماذا ؟