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Busin6s
Management
330 Exam #2
A countdown
timer will be
projected
on the screen
in the front of the classroom
during
the exam.
o
You have 90 minutes
to complete
this exam.
.
No "time
checks'will be verbally
given
by the instructor
during
the exam.
.
When
the 90 minutes
are complete,
all writing will cease.
.
Any clarifications
and/or corrections
of exam questions
will be
posted
beneath
the countdown
clock.
Questions
/ Answers
.
Please
reed each question
carefully
and directly
answer
the
question
that
is asked.
o
Place
the answer
to the question
asked
in the box
provided.
.
Points will be deducted
for equations
or anything
other
than
the answer
in the box.
.
Points will not be awarded
for answers
not placed
in the box.
.
The maximum
number
of decimal
places
is in brackets within
the answer boxes where aDorooriate.
Calculators
.
There are no extra batteries
or extra calculators
to lend
to the students
during
the exam.
.
No
instruction
on the useof the calculator
or its functions will be given
during
the exam.
.
No sharing
of calculators
is permifted.
The use of cell ohones, PDAS' and iPods
(MPs
,/laversl dwinq the exam arc
prchibitedt
No communication
of any kind
(verbal, nonverbal,
written,
electronic,
etc.)
is permitted
during
the course of the exam.
I heve read
the exam
instructions aboye and understand
that any violation of these and other exam rulea
in the
Student Code of Conduct will result in a suspected case of academic mbconduct.
Signature:
Date:
Do not write below
this
line
Total points
on quiz
122
Total points missed
Percent
correct
Curved
score
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1.
[8
Points

2 points
for each boxJ Consider
the
following
hypothesis
test:
H
o
:
p
>
1
1
H
1
:
p < 1 1
n=48
X=5
o=25
a
=
0.05
a.
What
is the appropriate
teststatistic
("2" or
"t")?
lf the appropriate
test statistic
is
"t",
also
indicate
the degrees
of freedom.
What arethe value(s)
of the critical
statistic?
Express
your answer
to 3 decimal
places.
Answer must be 3 decimal
places
to receive
credit.
1,6+r
What
is the value of the observed
statistic?
Express
your answer
to 3 decimal
places.
Answer must be 3 decimal
places
to receive
credit.
(,bbz
d.
"Reject"
/ "Do not reject" null hypotheses?
Q.aaq
b.
v=
X
pr
ffi
f
^,t
6l,th
= 
l,lob?
7
2.
[8
Points

2 points
for each box] Consider
the
following
hypothesis
test:
Ho:
Pr

gz= 0.17
Hr: pr

p2* 0.17
nr
=
250
nz
=
500
Phat''=
9.65
Phat2=
9.55
cr
=
0.10
a.
What
is the appropriate
teststatistic
("2" or
"t")?
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 Spring '12
 BusMgt
 Null hypothesis, Decimal, Donotreject

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