Each evening, a nationwide retail chain randomly calls 100 of the customers who came to their store that day to ask whether they were satisfied with the service they had received. The customers respond yes or no
Suppose the company has found over time that 8 percent of the customers are not satisfied ("no" answers), what is the 3-sigma upper and lower control limits for the appropriate control chart?A) About .053 and .107
B) 0 to about .16
C) -.0.14 to about .16
D) About -1.96 to 1.96
B
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Indicate whether the statement is true or false
You are thinking of adding one of two investments to an already well- diversified portfolio
Security A Security B Expected Return = 14% Expected Return = 16% Standard Deviation of Standard Deviation of Returns = 16% Returns = 20% Beta = 1.2 Beta = 1.2 If you are a risk-averse investor, which one is the better choice? A) Security A B) Security B C) Security B, but only if Security B's required return is greater than 12%. D) Either security would be acceptable because they have the same beta.