state gov OSSSC RI, ARI, AMIN, SFS, ICDS Supervisor Combined Mock Test 2023-25 Quantitative Aptitude Probability
Three unbiased coins are tossed. What is the probability of getting atmost two heads?
1
\(\frac{3}{8}\)
2
\(\frac{7}{8}\)
3
\(\frac{1}{4}\)
4
\(\frac{3}{48}\)