8. In a fireworks display, there is a 5% chance that any given device will not display (i.e., will be a dud). The probab

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8 In A Fireworks Display There Is A 5 Chance That Any Given Device Will Not Display I E Will Be A Dud The Probab 1 (25.47 KiB) Viewed 61 times

8. In a fireworks display, there is a 5% chance that any given device will not display (i.e., will be a dud). The probability that the first dud will be within the first 4 devices that are set off is How did you derive this value? 9. Pat is asked to sell candy bars to raise money for the 6th grade field trip. There are thirty houses in the neighborhood, and Pat wants to sell five candy bars. So they go door-to-door, selling candy bars, continuing until they have sold five candy bars. At each house, there is a 0.4 probability of selling one candy bar and a 0.6 probability of selling nothing. The probability that Pat will be able to return home after visiting fewer than 11 houses is How did you derive this value?