How much do wild mountain lions weigh? Adult wild mountain lions (18 months or older) captured and released for the first time in the San Andres Mountains had the following weights (pounds): 72 102 Assume that the population of x values has an approximately normal distribution. (a) Use a calculator with mean and sample standard deviation keys to find the sample mean weight x and sample standard deviation s. (Round your answers to one 60 130 130 64 decimal place.) Ib Ib (b) Find a 75% confidence interval for the population average weight u of all adult mountain lions in the specified region. (Round your answers to one decimal place.) lower limit Ib upper limit Ib

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