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 gave the following weights (pounds): 65 102 135 121 60 64 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 deviations. (Round your answers to four decimal places.) x = lbs = lb (b) Find a 75% confidence interval for the population average weight μ of all adult mountain lions in the specified region. (Round your answers to one decimal place.) lower limit lb upper limit b

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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 gave
the following weights (pounds): 65 102 135 121 60 64 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 four decimal places.) x = lbs = lb (b)
Find a 75% confidence interval for the population average weight μ of all adult
mountain lions in the specified region. (Round your answers to one decimal place.)
lower limit lb upper limit b
Transcribed Image Text: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 gave the following weights (pounds): 65 102 135 121 60 64 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 four decimal places.) x = lbs = lb (b) Find a 75% confidence interval for the population average weight μ of all adult mountain lions in the specified region. (Round your answers to one decimal place.) lower limit lb upper limit b
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