With all other things kept constant , an increased sample size will decrease the width of a confidence interval .
D Question 12 1 pts With all other things kept constant, an increasedSelect will decrease the...
LALCULATOR BLACK Chapter 8, Section 8.1, Question E22 If all other values remain constant, what happens to the width of a confidence interval a. as the sample size, n, increases? The width of the confidence interval b. as the level of confidence increases? The width of the confidence interval Click if you would like to Show Work for this question: Open Show Work SHOW HINT
True or false and why? 1. Other things held constant, a decrease in a firm’s marginal tax rate would lower the cost of debt when calculate its WACC. 2. The component costs of capital are market-determined variables in the sense that they are based on investors’ expected returns.
D Question 2 1 pts Other things the same, as the number of stocks in a portfolio decreases, Risk decreases and so the standard deviation of the return falls O Risk increases and so the standard deviation of the return falls O Risk increase and so the standard deviation of the return rises O Risk decreases and so the standard deviation of the return rises
1. If the concentration of a reactant is tripled (all other things remain constant), and the reaction rate increases nine times, what is the reaction order with respect to the tripled reactant? Enter your answer as a number. 2. If the concentration of a reactant is increased 1.5 times (all other things remain constant), and the reaction rate increases 2.25 times, what is the reaction order with respect to the reactant? Enter your answer as a number. 3. If the...
QUESTION 12 "If you wish to decrease the width of a confidence interval, you may do which one of the following: " Reduce sample size. Reduce the size of the population. Decrease the level of confidence. Both b and c
Please answer all Question 24 1 pts Solve the problem. A 90% confidence interval for the average salary of all CEOs in the electronics industry was constructed using the results of a random survey of 45 CEOs. The interval was to make more useful inferences from the data, it is desired to reduce the width of the confidence interval. Which of the following will result in a reduced interval width? O Decrease the sample size and decrease the confidence level....
QUESTION 3 All things being equal, which is correct? As the confidence level increases, the margin of error gets larger. As the sample size increases, the confidence interval gets wider. As the standard deviation increases, the margin of error gets smaller. As the sample mean increases, the margin of error gets larger. Which of the following is correct? As the sample size increases, the confidence level decreases. As the confidence level increases, the width of the confidence interval decreases. As...
Which one is the right one? Keeping all the other things the same, if there is an increase in the sample size the confidence interval would become O No change Wider 0 Change from a 99% to a 95% level of confidence Narrower
15 all other things the same, a decrease in variable expense per unit will reduce the break-even point. true, false
9. Good X and good Y are substitutes. Holding all other things constant, this means that when the price of good X increases, the: demand for good X will increase. demand for good Y will increase. demand for both good X and good Y will increase. demand for good Y will decrease.