If you have samples of n = 18 and n = 27, in performing the pooled-variance t test, how many degrees of freedom do you have? 1) 44 2) 486 3)9 4) None of the other answers 5) 43 6)45 7) All of the other answers (except for "None of the other answers") A major DVD rental chain is considering opening a new store in an area that currently does not have any such stores. The chain will open if there is evidence that more than 5,000 of the 20,000 households in the area are equipped with DVD players. It conducts a telephone poll of 300 randomly selected households in the area and finds that 96 have DVD players. The p-value associated with the test statistic in this problem is approximately equal to 1) 0.0051. 2) 0.0026. 3) 0.0013. 4) 0.0100.