Suppose that a softball pitcher'sability to throw a strike is 78%.

If the pitchertries 100 pitches, will she throw a strike onexactly 78of them? Explain your reasoning.

Your answer:
a	Yes The number of strikes out of 100 pitchesis a measure of her performance and is an estimate of her ability. Her performance will vary from her ability due to random chance.
b	No. The number of strikes out of 100 pitchesis a measure of her performance and is an estimate of her ability. Her performance will vary from her ability due to random chance.