Here are summary statistics for randomly selected weights of newborn girls: n=167, x=29.6hg, s=6.9hg construct a confidence interval estimate of the mean. Use a 90% confidence level. Are these results very different from the confidence interval 28.8hg<û<31.4hg with only 14 sample values, x=30.1hg and s=2.7hg? What is the confidence interval for the population mean û?

Classify the following triangle check all that apply

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?