Use counting arguments from the preceding chapter.
My couch potato friend enjoys sitting in front of the TV and
grabbing handfuls of 4 chocolates at random from his snack jar.
Unbeknownst to him, I have replaced one of the 22 chocolates in his
jar with a cashew. (He hates cashews with a passion.)
(a) How many possible outcomes are there the first time he grabs
4 chocolates?
____ outcomes
(b) How many of these include the cashew?
____ outcomes
a) number of outcome to grab 4 chocolates from 21 chocolates =(21C4) =21!/(4!*17!) =5985
b) number of outcome to pick the cashew =N(choose 3 from 21 chocolates and 1 from 1 cashew)
=(21C3)*(1C1) =1330*1 =1330
Use counting arguments from the preceding chapter. My couch potato friend enjoys sitting in front of...
Use counting arguments from the preceding chapter. My couch potato friend enjoys sitting in front of the TV and grabbing handfuls of 4 chocolates at random from his snack jar. Unbeknownst to him, I have replaced one of the 24 chocolates in his jar with a cashew. (He hates cashews with a passion.) How many possible outcomes are there the first time he grabs 4 chocolates? outcomes How many of these include the cashew? outcomes