Of 155 Chattanooga residents surveyed, 60 indicated that they participated in a recycling program. In Knoxville, 120 residents were surveyed and 38 claimed to recycle.
a.Determine a 95% confidence interval estimate for the difference between the proportion of residents recycling in the two cities.b.From your answer in Part a, is there sufficient evidence to conclude that there is a significant difference in the population proportion of residents participating in the recycling program?
What will be an ideal response?
?
| a. | -.0427 to .1836 |
| b. | No, because the interval for the proportions ranges from a negative to a positive value. |
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Square as part of a “Nothing to Hide” campaign. Are marketing tactics that are tasteless and risqué also unethical?
What is the correct formula in B8 to calculate the after-tax cost of debt?
a) =RATE(B1*B5,B2/B5*B4,-B3*(1-B6),B4)
b) =RATE(B1*B5,B2/B5*B4,-B3*(1-B6),B4)*B5*(1-B7)
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