An event has a 70% probability of happening - 94790

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Request Description
An event has a 70% probability of happening. There are 4 events. The probability of all four events happening is 24.01% (.7 x .7 x .7 x .7). What is the probability of: 0 out of 4 happening 1 out of 4 2 out of 4 3 out of 4 4 out of 4
Solution Description

Since probability of any event happening is 0.7, probability of any event not happening is 1 - 0.7