A Southeast Asian nonprofit organization wanted to encourage its members to consider Hong Kong as a vacation destination. They are investigating whether their online ad campaign influenced members to plan a vacation in Hong Kong within the next year. The organization surveyed its members and found that 75% of them have seen the online ad. 40% of its members indicated they are planning to vacation in Hong Kong within the next year, and 15% of its members did not see the ad and do not plan to vacation in Hong Kong within the next year.[br][br]Complete a two way frequency table for this situation below.
If [i][b]A=watched the ad[/b][/i] and [i]B=plan to vacation in HK[/i], calculate the following probabilities.[br]1. [math]Pr\left(B|A\right)[/math][br]2. [math]Pr\left(B|A'\right)[/math][br][br]3. Based on your answers, does the ad campaign appear to be effective in encouraging people to vacation in Hong Kong? Explain.