Overall, Steve Dalkowski throws a strike with 17% of his pitches (that is, the probability that he throws a strike with any given pitch is .17). (a) In one game, Dalkowski throws 240 pitches. What is the probability that he throws exactly 40 strikes? (b) In one week, Dalkowski throws 400 pitches. What is the probability that he throws 80 or more strikes?

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Overall, Steve Dalkowski throws a strike with 17% of his pitches (that is, the probability that he
throws a strike with any given pitch is .17).
(a) In one game, Dalkowski throws 240 pitches. What is the probability that he
throws exactly 40 strikes?
(b) In one week, Dalkowski throws 400 pitches. What is the probability that he throws 80
or more strikes?
Every day for eternity Dalkowski throws 100 pitches, and records the number of strikes.
(c) Find the mean µ, and the standard deviation o, of the numbers (of strikes thrown
on different days) that Dalkowski records.
Transcribed Image Text:Overall, Steve Dalkowski throws a strike with 17% of his pitches (that is, the probability that he throws a strike with any given pitch is .17). (a) In one game, Dalkowski throws 240 pitches. What is the probability that he throws exactly 40 strikes? (b) In one week, Dalkowski throws 400 pitches. What is the probability that he throws 80 or more strikes? Every day for eternity Dalkowski throws 100 pitches, and records the number of strikes. (c) Find the mean µ, and the standard deviation o, of the numbers (of strikes thrown on different days) that Dalkowski records.
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