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D Question 7 2 pts A survey of 3000 college students revealed that the mean length of the time till graduation is more than 6 years with a standard deviation of 0.8 years. Some researchers decided to reject that data and claimed that the population mean time till graduation could likely be 5 years, taking the random sample of n = 65 students. Find the P-value P(u = 5) for a two-tailed hypothesis test and decide whether to reject H0 if the level of signicance is o = 0.01 (yes or no)