The management of a supermarket wants to adopt a new promotional policy of giving a free...

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The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends mo

math Statistics-And-Probability

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solution:- Given that u= 115 6=21 so, using standard normal table P(Z cz) = 8.08 % =P(222) = 0.08 08 =p (231.40) = 0·0808 z=1

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The management of a supermarket wants to adopt a new promotional policy of giving a free...

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