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Expected Life The expected life of blue whales follows a distribution with mean 75 and standard deviation 7. If 120 blue whales records are extracted find the probability that the sample mean life is between 72 and 76. (respuesta en decimales, 4 cifras) Numerical Answer
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Population mean. , μ = 45 sample sine , n 120 xExpected i ot e whales x= samale mean life NO - チチ 斗. NI20 o.94 1198 o. 9412

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