rollment at four-year colleges is higher than at two-year lleges surveyed, the mean surveyed, the mean he 0.01 significance level. A student at a four-year college claims that mean en colleges in the United States. Two surveys are conducted. Of the 35 four-year co enrollment was 5,608 with a standard deviation of 765. Of the 35 two-year colleges enrollment was 5,611 with a standard deviation of 510. Test the student's claim at t Preliminary: a. ls it safe to assume that myr _<_ of all students enrolled at a college in the unites states and mm yes no b. is n4 nzyr _>_ 30? Yes No Test the claim: a. Determine the null and alternative hypotheses. b. Determine the test statistic. Round to four decimal places. c. Find the p-value. Round to 4 decimals