Answer:
The answer is "Option C".
Step-by-step explanation:
There are goats behind two curtains, one behind every door.
Whenever a contender chooses a curtain, this contender is told the curtain had a goat behind all this by one of the certain to curtains.
Currently, one of two curtains another containing the car and one bearing a goat is provided to be chosen by the contestant. There is therefore an equal probability of [tex]\frac{1}{2}[/tex]. Picking a car or a goat.
Similarly, provided that
Strategies and tactics likelihood A= 10 % = 2 in 20 trails effective.
Stratery B's chance = 80 % = 16 achievements in 20 directions = 80%
Therefore,
[tex]\to \text{16 success} = 2 \ success+2\ success + 2\ success + 2\ success+ 2\ success +2\ success + 2\ success+ 2\ success + 2\ success}\\\\\to 16 \ success = 8(2 \ success) \\[/tex]
[tex]\to 80 \% = 8 \times 10 \% \\\\\to 80 \% = 80 \%[/tex]
its result value is expected not surprising.