Vic and Paulo work on different levels in an underground coal mine. Vic's level is at an elevation of −70.51 meters relative to
1 answer:
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Answer:
3 / 8
Step-by-step explanation:
From the tree diagram provided :
Required outcome = atleast two consecutive tails :
(HTT) ; (TTH) ; (TTT) = 3
TOTAL POSSIBLE OUTCOMES = 8
PROBABILITY = REQUIRED OUTCOME / TOTAL POSSIBLE OUTCOMES
HENCE ;
P(ATLEAST TWO TAILS IN A ROW) = 3 / 8
30(-2/5)²(5/8) = 30*(4/25)*(5/8) = 30*4/(5*8) = 3
