At the End of 1990,1991,and 1992,the Average Prices of a Share

question 30

Multiple Choice

At the end of 1990,1991,and 1992,the average prices of a share of stock in a portfolio were $34.83,$34.65,and $31.26 respectively.To investigate the average share price at the end of 1993,a random sample of 30 stocks was drawn and their closing prices on the last trading day of 1993 were observed with a mean of 33.583 and a standard deviation of 19.149.Estimate the average price of a share of stock in the portfolio at the end of 1993 with a 90 percent confidence interval.

• A) [27.646,39.523]
• B) [26.732,40.434]
• C) [32.514,34.651]
• D) [32.533,34.633]
• E) [32.269,34.897]

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A perspective that applies principles of evolution and scientific knowledge about the interactive influence of genetic and environmental mechanisms to understand the adaptive value of developmental changes that are experienced with age.

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