A consumer group cams that no mean memum time it takes or a sedan to have a quarter mile is greater than 147 seconds A random sange of 20 sedens hen a man meter of 155 seconds and a standard deviation of 200 seconds Ala-301 in there enough evidence to suppot the consumer gps can? Complete parts (x) through () Ane the population may d 26 16 Idently the cam sod stal He and gers decimar Do otiound) The th Use a t-test to test the claim about the population mean at the given level of significance Claim: #28; = 0.05 Sample statistics: x = 23.8, s=4.3, n = 13 What are the null and alternative hypotheses? Choose the correct answer below. OA. Ho H28 Ha >28 C. Ho H=28 Ha #28 What is the value of the standardized test statistic? The standardized test statistic is (Round to two decimal places as needed.)