(Choose 1 answer)
The random variable X has a binomial distribution with n=100 and p=0.3. Use the normal;binomial distributions to find P(X\le31)
et~P(Z<0.5)=0.6915 , P(Z<0.33)=0.6293. P(Z<1)=0.8413 , P(Z<1.5)=0.9332.
A. 0.6293
B. 0.6915
C. 0.8413
D. 0.9332
E. None of the other choices is correct
