QUESTION 5 An internet provider contacts a random sample of 300 customers and asks how many hours per week the customers use the Internet. It found the average amount of time spent on the Internet per week to be about 15.2 hours with a margin of error of 1.9 hours. Construct a 95% confidence interval First blank put in the lower number of the interval. Round your answer to one decimal place. Second blank put in the higher number of the interval. Round your answer to one decimal place. QUESTION 6 The null and alternative hypotheses for a test are given below as well as some information about the actual sample(s) and the statistic that is computed for each randomization sample. 1. Indicate where the randomization distribution will be centered. The answer will be a number. 2. Indicate whether the test is left-tail test, a right-tail test or two-tail test. In answer say left-tail test or right-tail test or two-tail test Hypotheses Ho: mu1=muz Ha: mu1 does not equal muz In sample: xbar1=2.7 and xbar2=2.1 Randomization statistic= xbar-xbar2