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

108

133

126

60

64

Assume that the population ofxvalues has an approximately normal distribution.(a) Use a calculator with mean and sample standard deviation keys to find the sample mean weightxand sample standard deviations. (Round your answers to one decimal place.)

x=	lb
s=	lb

(b) Find a 75% confidence interval for the population average weightof all adult mountain lions in the specified region. (Round your answers to one decimal place.)

lower limit	lb
upper limit	lb