P = 43% = 43/100 = 0.43%
Q= 100 -43 = 57%=57/100= 0.57
n= 6
r=3
The probability that at least 3 of 6 believed in reincarnation is
[tex]n^{}_{c_r}\times P^r\times Q^{n-r}[/tex][tex]\begin{gathered} =6_{c_3}\times0.43^3\times0.57^{6-3} \\ =20\text{ }\times\text{ 0.079507}\times0.57^3 \\ =0.2945 \end{gathered}[/tex]