The regression equation is y = - 65.05x - 8.58. If the coefficient of determination is 72 = 0.7054, then the coefficient of correlation is: O -0.3399 O 0.3399 O -0.8399 O 65.05 0 0.8399The symbol o represents the probability of: O Failing to reject a false null hypothesis O Rejecting a true null hypothesis Failing to reject a true alternative hypothesis O Failing to reject a true null hypothesis O Rejecting a false null hypothesisA sales team claims that their daily sales exceed that of their competition by more than 14 sales per day. The null hypothesis Ho can be mathematically expressed as: OH2 - 141