Question: Let x be a random variable representing dividend yield of Australian bank stocks. We may assume that x has a normal distribution with2.2%A random sample

Letxbe a random variable representing dividend yield of Australian bank stocks. We may assume thatxhas a normal distribution with2.2%A random sample of 12 Australian bank stocks has a meanx=6.69%Do these data indicate that the dividend yield of all Australian bank stocks is higher than 6.2%?What is the P value?

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