The Department of Tourism claims that a standard deviation of cost for a hotel room in Bukit Gambir is greater than RM 9.90. A travel agent selects a sample of 24 hotel rooms with standard deviation of cost is RM 13.2 to test the claim. Execute an appropriate hypothesis test at ? = 0.05 level of significance to test if there is enough evidence to reject the claim.

A student at a four-year college claims that mean enrollment at four-year colleges is higher than at two-year colleges in the United States. Two surveys are conducted. Of the 35 four-year colleges surveyed, the mean enrollment was 6,192 with a standard deviation of 699. Of the 35 two-year colleges surveyed, the mean enrollment was 4,354 with a standard deviation of 781. Test the student's claim at the 0.1 significance level.   Determine the test statistic. Round to four decimal places.t=_________   Find the pp-value. Round to 4 decimals.p-value = _________

A public bus company official claims that the mean waiting time for bus number 14 during peak hours is less than 10 minutes. Karen took bus number 14 during peak hours on 18 different occasions. Her mean waiting time was 7.2 minutes with a standard deviation of 1.6 minutes. At the 0.05 level of significance, test the hypothesis that the mean waiting time for bus number 14 during peak hours isles than 10 minutes. What is the p-value for this test? Group of answer choices 4.97e-7 or 0 (zero or a very small number) from the t-distribution 0.999999503 -7.42 0 (zero or a very small number) from the z-distribution

The honors program at Brad's university only accepts students with an entrance exam score over 400. What percentage of students would be eligible if the students at Brad's school have an average exam score of 250, with a standard deviation of 80?