Let *x *be a random variable representing dividend yield of bank stocks. We may assume that *x *has a normal distribution withs=2.6%.A random sample of10 bankstocks gave the following yields (in percents).

- 5.7
- 4.8
- 6.0
- 4.9
- 4.0
- 3.4
- 6.5
- 7.1
- 5.3
- 6.1

The sample mean is= 5.38%. Suppose that for the entire stock market, the mean dividend yield isµ=4.9%.Do these data indicate that the dividend yield of all baCompute the*z*value of the sample test statistic. (Enter a number. Round your answer to two decimal places.)

(c)

Find (or estimate) the*P*-value. (Enter a number. Round your answer to four decimal places.)nk stocks is higher than4.9%? Usea=0.01.

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