98 A sample of 16 small bags of the same brand of candies

Last updated: 3/10/2023

98 A sample of 16 small bags of the same brand of candies was selected Assume that the population distribution of bag weights is normal The weight of each bag was then recorded The mean weight was two ounces with a standard deviation of 0 12 ounces The population standard deviation is known to be 0 1 ounce ii iii x b In words define the random variable X c In words define the random variable X d Which distribution should you use for this problem Explain your choice e Construct a 90 confidence interval for the population mean weight of the candies i State the confidence interval ii Sketch the graph iii Calculate the error bound f Construct a 98 confidence interval for the population mean weight of the candies i State the confidence interval ii Sketch the graph iii Calculate the error bound g In complete sentences explain why the confidence interval in part f is larger than the confidence interval in part e h In complete sentences give an interpretation of what the interval in part f means