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SAT, 24.09.2021 21:00 coco8560

Keisha decides to roll a number cube until she gets a 6. Let X = the number of rolls until she rolls a 6. What is the probability that Keisha gets her first 6 before her 3rd roll? Round to 3 decimal places.

Recall: P(X = k) = (1 – p)k–1p

0.139
0.167
0.306
0.421

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Answers: 1

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Keisha decides to roll a number cube until she gets a 6. Let X = the number of rolls until she rolls...
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