HELP PLEASE!
Miguel Cabrera has had 369 at bats, and he has 127 hits and 21 home runs. (Note: The home runs are included in the hits data.) If he is challenged to a batting battle, what is the expected score of each at bat if he earns 1 point for each hit that is not a home run and 5 points for each home run?
A) 0.36
B) 0.43
C) 0.57
D) 0.63

Question

09-07-2016
Mathematics

contestada

HELP PLEASE!
Miguel Cabrera has had 369 at bats, and he has 127 hits and 21 home runs. (Note: The home runs are included in the hits data.) If he is challenged to a batting battle, what is the expected score of each at bat if he earns 1 point for each hit that is not a home run and 5 points for each home run?
A) 0.36
B) 0.43
C) 0.57
D) 0.63

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JohnLayton JohnLayton · Answer 1 · 2016-07-09T20:05:09+02:00

The answer is C.

The probability of a hit is 127/369 This includes home runs.The probability of a home run is 21/369 = 7/123The probability of a hit that is not a home run is (127-21)/369 = 106/369The probability of no hit is (369-127)/369 = 242/369 Now,If Miguel hits a home run, he'll score 5 pointsIf Miguel has a hit that is not a home run, he'll score 1 pointIf Miguel does not get a hit, he'll score 0 points. Expected value of his score at each at bat is(0) 242/369 + (1) 106/369 + (5) 21/369106/369 + 105/369 = 211/369 = .57

mkroche1214 mkroche1214 · Answer 2 · 2020-12-18T21:57:01+01:00

mkroche1214 mkroche1214

18-12-2020

Answer:

its C

Step-by-step explanation:

edge 2020

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