Question

QUESTION 5: Out of 10 trials, a receiver got four cards correct. What is the probability of that particular outcome (4 correct guesses out of 10) if the receiver was guessing, that is picking the cards at random? Round off to THREE digits after the decimal point.

Answer 1

Probability : It is the chance of happening a certain event .

Mathematically,  

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Here, in above question,

Total possible outcome for correct guess =

and Number of favorable outcome =   (i.e. getting chance of exactly 4 correct guesses)