e- e Secure https net/web/student/Assignment-Responses/submit?dep 15827828 alwww

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e- e Secure https net/web/student/Assignment-Responses/submit?dep 15827828 alwww.webassign Apps Howdy o thereue Transport Fist state Bank IA Gwels Fargo -Perso.. myBUNN Binn Co.- webAssign Loc N Your last submission is used for your score. s. O 1/2 ta l Previous Answers My Notes Tree diagrams can organize problems having more than two stages. The figure below shows probabilities for a charity calling potential donors by telephone, The probabilities given are realistic, according to the fundraising firm SCM Associates, scmassoc.com )Each person caled is either a recent donor, a past donor, or a new prospect. At the next stage, the person caled either does or does not pledge to contribute, with conditional probabilities that depend on the donor class the person belongs to. Finally, those who make a pledge either do ordon't actually make a contribution. (a) What percent of calls result in a contribution? (Use 1 decimal place.) (b) What percent of those who contribute are recent donors? (use 1 decimal place.) X

Explanation / Answer

total % of those who contribute are real donors =((0.2*0.1*0.5)/0.224)*100=4.4643%

please revert for further doubt.

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