Parcc Algebra Ii Practice Test With Answers '- 2014 Page 15
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23PARCC Algebra II Practice Test – Released April, 2014
Calculator Part (continued)
20.
The two-way table shows the classification of student in a mathematics class by
gender and dominant hand. A student who is ambidextrous use both hands equally
well.
Part A
What is the probability that a randomly selected student in the class is female given
that the student is right-handed?
Enter your answer in the space provided. Enter only your fraction.
Part B
One student will be selected at random from this class. Consider the events:
X
the selected student is female
Y
the selected student is right-handed
X
Y
Which statement about events
and
is true?
A.
The events are independent because the number of right-handed students in
the class is larger than the number of female students.
B.
The events are independent because the number of categories for dominant
hand is different from the number of categories for gender.
C.
The events are not independent because for one of the dominant hand
categories the number of female students is 0.
X
D.
The events are not independent because the probability of
is not equal to
X
Y
the probability of
given
.
Page 15 of 23
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