How much do male cougars weigh?A simple random sample of cougar weights in pounds are given below. Assume that the population of all adult male cougar weights are approximately normal.

Weights (lb.)

142.7

131.3

182.5

151.2

99.6

157.3

135.2

153.4

155.8

144.6

120.1

181.6

189.7

102.8

126.6

142

a.) Find a 94% confidence level for the population mean weight of adult male cougars. (Round answers to two decimal place.)

margin of error:pounds

lower limit:pounds

upper limit:pounds

b.) What conditions were met so the results are valid? (Select all that apply.)

• adult male cougar weights needs to be normally distributed
• is known
• large enough sample size n
• systematic sampling
• adult male cougar weights needs to be uniformly distributed
• simple random sample
• is unknown

c.)Interpret: We are% confident that the population mean weight of adult male cougar weights.is betweenpounds andpounds .