DETAILS You may need to use the appropriate technology to answer this question. The American Association of Individual Investors (AAII) On-Line Discount Broker Survey polls members on their experiences with discount brokers. As part of the survey, members were asked to rate the quality of the speed of (3), and very satisfied (4). For each broker summary scores were computed by calculating a weighted average of the scores provided by each respondent. Suppose a portion of the survey results follow. Brokerage Speed Satisfaction 3.4 3 .3 3.3 C 3.4 3.9 D 3.6 3.8 3.2 2.9 3.8 2 .8 G 3.8 3.6 2.6 2.6 2.7 2.3 4.0 4.0 2.5 2.5 These ratings data on x = the quality of the speed of execution and y = overall satisfaction with electronic trade juation ? = 0.167 + 0.919x. At the 0.05 level of significance, test whether speed State the null and alternative hypotheses. O Ho: P1 20 Ha: P1