Question 1108358
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You need to choose 7 of the 10 trials to be the ones with the desired outcome; the probability of each of the 7 good outcomes is 0.65; the probability of each of the 3 bad outcomes is 1-0.65 = 0.35:<br>
{{{C(10,7)*(0.65^7)*(0.35^3)}}}<br>
Use your calculator....