In a random sample of 810 women employees, it is found that 81 would prefer working for a female boss. The width of the 95% confidence interval for the proportion of women who prefer a female boss is _____.
B. ??? .0288Auto answered|Score 1|Eusph|Points 177|User:
William used a sample of 68 U.S. cities to estimate the relationship between Crime (annual property crimes per 100,000 persons) and Income (median income per capita). His estimated regression equation was Crime = 428 + .050 Income.
Assuming b1 is significant, if Income decreases by 1000 we would predict that Crime will __________.
A. increase by 500
B. increase by 50
C. decrease by 50
D. increase by 428
None of the above choices are correct.
Explanation: If Income decreases by 1000, [ Crime will be decreased by 50
] Auto answered|Score .8657|emdjay23|Points 1169|User:
A computer analysis reveals that the best-fitting trend model is Yt = 4.12 e 0.987 t. The trend was fitted using year-end common stock prices for Melodic Kortholt Outlet for the last six years. The R2 is 0.8571.
If we fit a linear trend to data that are growing exponentially __________.
A. at the end of year 3 the stock price would be nearly $80
B. few investments could match the astounding growth rate
C. the stock's true intrinsic value is $4.12
D. the absolute annual growth (in dollars per share) is increasing
B. the stock's true intrinsic value is $4.12
The answer is "If we fit a linear trend to data that are growing exponentially the stock's true intrinsic value is $4.12."Auto answered|Score .8193|rajik|Points 78|User:
In a network diagram, an activity:
A. is the smallest unit of work effort consuming both time and resources that a project manager can schedule and control.
B. should always be something the company has had experience with.
C. is the largest unit of work effort consuming both time and resources that a project manager can schedule and control.
D. must always have a single, precise estimate for the time duration
D. is the largest unit of work effort consuming both time and resources that a project manager can schedule and control.Auto answered|Score .9804|danichix|Points 158|User:
Suppose that the optimal values of the decision variables to a two-variable linear programming problem remain the same as long as the slope of the objective function lies between the slopes of the following two constraints:
2X1 + 3X2 26
2X1 + 2X2 20
The current objective function is:
8X1 + 9X2 = Z
Which of the following statements about the range of optimality on c1 is TRUE?
A. 2 c1 6
B. 0 c1 2
C. 6 c1 9
D. 9 c1 12
All Categories|No Subcategories|Not Answered|4/21/2013 4:58:09 PM