1.)

Use Standard Normal Distributionto find probability P(z > 1).

Remember: Appendix TableII and Excel functionNormsdist(z) give you P(z < 1).

0.0251

0.1587

0.2780

0.3228

2. )

Use Appendix Table VII for Binomial Probabilities

to find probability that for n =6 and p = 0.5

x will be less than 2.

Hint: P(x < 2) = P(x=1) + P(x=0)

0.337

0.287

0.158

0.110