A local public-action group solicits donascens by teieghone. For a partcular list of prospects it was estimated that for any individual the probubldy was 0 . 33 of an immediate donation by crede card, 0.29 of no immediate donstion but a request for further information theough the mal, and 0.65 of no expression of interest. Inflormabion is maled fo all people requesing 2 and 2 is essimated that 30% of these peopio will eventually donate. An cperator makes a sequence of calls, the ouscomes of which can be assumed to be independent. a. What is the probabily that the frst call leading to an immediate credit card donation is preceded by at least four cals that do nct lead to an immedate donacon? b. What is the probabity that the first call leading to any donation (ether immedately or eventualy after a maling) is preceded by at least four cals that never lead to a donaton? a. The probabily that no immedate credt card denation wit be received unt at least four cals where no immedate donations ace made is (Round to three decimal places as needed)