4 9 Wikipedia A sample survey of 852 adult Internet users found that 53 look for information on the online collaborative en cyclopedia Wikipedia a Give the standard error SE of p the proportion of all adult Internet users who look for information on Wikipedia b Give a 95 confidence interval for the proportion of all adult Internet users who look for information on Wikipedia W wil genius Does cheating enhance creativity Researchers recruited 178 bjects and asked participants to guess whether the outcome of a virtual coin ss would be heads or tails After indicating their prediction participants had to press a button toss the coin virtually They were asked to press the button only once but they were given the portunity to test the button several times before beginning the experiment Thus participants uld cheat by pressing the button before making their prediction and appear to have pressed the itton one time for each prediction Participants then reported whether they had guessed correctly id received a 1 bonus if they had The program recorded the outcomes of the initial virtual in tosses so that researchers could tell whether participants cheated After the coin toss task all rticipants were given a test that measured creativity Here are the summary statistics for scores