A companyis developing a new high-performance wax for cross country ski racing. In order to justify the price marketing wants to be very fast. spcifically, the mean time to finish their standard test course should be less than 55 seconds for former Olympic champion. to test it, the champion will ski the course 8 times. The champion's times (selected at random) are 49.6, 59.4, 52.3, 55.2, 49.6, 52.3, 53.6, 53.6 and 45.4 seconds to complete the test course. complete parts a and b below.
a. What is the value of the test statistic?
b: What is the p-value?