Let x be a random variable representing dividend yield of Australian bank stocks. We may assume that x has a normal distribution with = 2.5 %. A random sample of 22 Australian bank stocks has a sample mean of $ - 5.66 %. For the entire Australian stock market, the mean dividend yield is # = 5.3 %. Do these data indicate that the dividend yield of all Australian bank stocks is higher than 5.3%? Use a = 0.1. Find (or estimate) the P-value. O 0.75 O 0.375 0.125 O 0.499 O 0.25