anonymous
  • anonymous
A professional baseball team has 9 picthers, 5 insiders, and 11 other players. if 3 players names are selected at ramdom, determine the prob that all 3 are infielders?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
You already did this problem...
anonymous
  • anonymous
Just with different numbers
anonymous
  • anonymous
how many total players are there?

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anonymous
  • anonymous
wouldnt it be 3/25?
anonymous
  • anonymous
no, not so simple, because each time you select one, there is one less to select
anonymous
  • anonymous
the first choice has a prob of 5/25 = 1/5
anonymous
  • anonymous
the second has prob of 4/24 = 1/6
anonymous
  • anonymous
RIGHT 5/25! not 3!
anonymous
  • anonymous
and the third choice has a prob of 3/23 (doesn't reduce)
anonymous
  • anonymous
so 1/5*1/6*3/23 = hmm... the 3 and 6 cancel, leaving a two in the denominator...
anonymous
  • anonymous
1/(60*23) = 1/1380
anonymous
  • anonymous
nope
anonymous
  • anonymous
1/230
anonymous
  • anonymous
Wait im confused! o_o
anonymous
  • anonymous
I meant 1/(5*2*23) instead
anonymous
  • anonymous
Ohhhh ok
anonymous
  • anonymous
ok I almost the same one now

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