٦:٣٠م DIZVAN Bartleby solution 1 hypothesis Asiacell 2- It is found that the average of net cost of traditional prosthesis is 300 $ .A random sample of 25 product selected from these devices produce a meant of 288$ .Assume that the net cost for all products have normal distribution with standard deviation of 80 $ .Using 2.5% significant level can you claim the population average is false? pls solve fast إضافة وصف .... ¢ D в 는 ☐

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