You are rolling a fair 20-sided die. Find the expected number of rolls you need to toss to get 3 consecutive rolls of outcomes 13 or above.

Name: You are rolling a fair 20-sided die. Find the expected number of rolls you need to toss to get 3 consecutive rolls of outcomes 13 or above.
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The Answer of You are rolling a fair 20-sided die. Find the expected number of rolls you need to toss to get 3 consecutive rolls of outcomes 13 or above.

You Are Rolling a Fair 20-Sided Die