Question 1113216
want x=0,1,2,3,4
For 0, it is 0.75^10=0.0563
for 1, it is 10C1*0.75^9*0.25=10*0.01877=0.1877
for 2, it is 10C2*0.75^8*0.25^2=0.2816
for 3, it is 10C3*0.75^7*0.25^3=0.2503
for 4, it is 10C4*0.76^6*0.25^4=0.1460
0.9219