Question 6 {1 point] Emilv drew a sample of 20 brownies to studv calorie countsr and she found a 95% confidence interval of {2?5. 325}. Which is the correct interpretation of the 95% confidence interval? 0 You are 95% certain that Emilv has a problem with brownies. Q You are 95% certain that the true mean calories per brownie is between 2:35 and 325. Q You are 95% certain that the true mean can be found in a sample of 2?5 to 325 brownies. Q You are 95% certain that a sample of 20 brownies will find EDD calories per brownie. Question ? {1 point] You are studving a population with an unknown standard deviation. You collect data on a sample of size n=25. How manvr degrees of freedom do vou have? Mww Question 3 {1 point] You are performing a 2sample ttest on samples from 2 populations. Each sample has 15 data points in it. HOW many degrees of freedom do you have? Question 9 {2 points] You want to test the claim that a population's mean is 100. Match the null hypothesis and alternative hypothesis accordingly. 1. p. = 100 E] Null hypothesis, Hg 2_ p. j} 100 Alternative hypothesis. 3_ #1 75 100 He