Solve the below ​Question: 
Reena tosses a coin four times. The probability that she gets at least as many heads as tails is ____. 

Dear student,

Case 1: There are two heads, two tails. Possible no. of combination = 6HHTT HTHT HTTH TTHH THTH THHTCase 2: There are three heads, one tail.Possible no. of combination=4HHHT THHH HTHH HHTHCase 3: There are four heads, no tails. Possible no. of combination=1HHHHTotal combination in a toss of coin 4 times=24=16Probability=Favourable casesTotal combination=6+4+116=1116Probability that she gets at least as many heads as tails is 1116. 
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probability = favourable outcome/ total outcome
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