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58. Cereal A companys cereal boxes advertise that each box contains 9.65 ounces of cereal. In fact, the amount of cereal in a randomly selected box follows a Normal distribution with mean μ 9.70 ounces and standard deviation σ = 0,03 ounce. (a) What is the probability that a randomly selected box of the cereal contains less than 9.65 ounces of cereal? (b) Now take an SRS of 5 boxes. What is the probability that the mean amount of cereal in these boxes is less than 9.65 ounces?
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0) Ket χ AnouAf of cereal in a box b No X-E mean amount of cereal and n Number of boxes taken 5 PC-てく 9.GS) f(굿-시 using standard normal tahle -Table

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