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pixiedust7891 pixiedust7891
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2 weeks ago
Use the following to answer the questions below:

When a certain pitcher throws his fastball, 75% of the time it is a strike. Suppose he throws 20 fastballs and that the pitches are independent of one another. Let X represent the number of strikes in 20 pitches.

Round all answers to three decimal places.


Explain why X is a binomial random variable.
Textbook 
Statistics: Unlocking the Power of Data

Statistics: Unlocking the Power of Data


Edition: 3rd
Authors:
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flash33101flash33101
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pixiedust7891 Author
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2 weeks ago
this is exactly what I needed
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Good timing, thanks!
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