More on planning a mobile gaming study. Refer to the previous exercise. Suppose that you will also survey mobile phone gamers.
(a) If you were to repeat part (a) for the mobile phone gamers, would the necessary sample size be smaller, equal to, or larger than the sample size of tablet gamers? Explain your answer without doing any calculations.
(b) If you were to repeat part (b) for the mobile phone gamers, would the necessary sample size be smaller, equal to, or larger than the sample size of tablet gamers? Explain your answer without doing any calculations.
(c) Suppose that 35% of the students at your university are mobile phone gamers and none of the students are both types of gamers. What is the size of the initial sample of students that you will have to draw to obtain the desired usable information for both types of gamers under the conditions of part (b)? Explain your answer.