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. Sample Data a.) Find a 90% confidence level for the population mean weight of adult male cougars. (Round answers to two decimal place.) margin of error: pounds pounds lower limit: 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 adult male cougar weights needs to be uniformly distributed large enough sample sizen o is known o is unknown simple random sample systematic sampling c.) Interpret: We are % confident that the population mean weight of adult male cougar weights.is between pounds and pounds.