Students are classified according to sex (male, female), grade level (freshman, sophomore, junior), and hair color (blond, brunette, redhead). Using a tree diagram, how many different classifications are possible?
2006-08-06 03:08:45 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
there are 2*3*3 classifications.
...........................SEX...
...................../...............\
..................MALE........FEMALE
etc etc
2006-08-06 03:12:33 · answer #1 · answered by gjmb1960 7 · 0⤊ 0⤋
Students are classified according to the following elements.
The following information needs to be put in the form of a tree.
Start off with the basic elements at the top of the tree.
I.
1) male, freshman,
2) male, sophomore,
3) male, junior
II.
1) female, freshman
2) female, sophomore
3) female, junior
Now add more elements.
I.
male, freshman, blond
male, freshman, brunette
male freshman, redhead
male, sophomore, blond
male, sophomore, brunette
male sophomore, redhead
male, junior, blond
male, junior, brunette
male junior, redhead
II.
female, freshman, blond
female, freshman, brunette
female, freshman, redhead
female, sophomore, blond
female, sophomore, brunette
female, sophomore, redhead
female, junior, blond
female, junior, brunette
female, junior, redhead
2006-08-06 10:32:07 · answer #2 · answered by tjhauck2001 2 · 0⤊ 0⤋
the classifications r endless, what about height, weight, oddities etc
2006-08-06 10:13:16 · answer #3 · answered by dereckdsouza 3 · 0⤊ 0⤋
students
male female
bl | br | rh bl | br | rh
fr|sph|j fr|sph|j fr|sph|j fr sph j fr sph j fr|sph|j
simply 2*3*3=18
2006-08-06 10:20:06 · answer #4 · answered by spokoman_goliath 2 · 0⤊ 0⤋