|
Part II
For each question, use the specific criteria to award a maximum of two credits.
(21) [2] 6, and a correct tree diagram is drawn or sample space is listed.
[1] A correct tree diagram is drawn or sample space is listed, but no answer or
an
incorrect answer is found.
or
[1] An appropriate answer is found, based on an incorrect tree diagram or sample
space.
or
[1] 6, but no tree diagram is drawn or sample space is listed.
[0] A zero response is completely incorrect, irrelevant, or incoherent or is a
correct
response that was obtained by an obviously incorrect procedure.
(22) [2] 42.85714286 or an equivalent answer, and appropriate work is shown.
[1] Appropriate work is shown, but one computational or rounding error is made.
or
[1] An answer of 30 is found by dividing 1.8 by 6.
or
[1] An answer of 70 is found by dividing 4.2 by 6.
or
[1] 42.85714286 or an equivalent answer, but no work is shown.
[0] A zero response is completely incorrect, irrelevant, or incoherent or is a
correct
response that was obtained by an obviously incorrect procedure.
(23) [2] 120, and appropriate work is shown, such as 1 • 5 • 4 • 3 • 2 • 1.
[1] Appropriate work is shown, but one computational error is made.
or
[1] 720 and 6 P 6 or 6! is shown.
or
[1] 120, but no work is shown.
[0] A zero response is completely incorrect, irrelevant, or incoherent or is a
correct
response that was obtained by an obviously incorrect procedure.
<<
Previous Page
Next Page
>> |
