(2]
S0652EXp4
Weight:1
A
publishing
company
has
collected
information
about
the
sales
price
Use
me
to
enter
the
answer
of
10
randomly
selected
comparable
textbooks.
The
prices
(in
$)
are
1]
2|
3|
a|
Back
|
as
follows
5
6
7
8
Delete
9594|102
|
11889
117|116
(97(107
|96
|
:
:
:
j
:
:
-
:
It
is
known
that
the
standard
deviation
of
the
prices
of
all
such
-
=
textbooks
is
$12.55,
and
the
population
of
such
textbook
prices
is
(o))
(=]
normally
distributed.
(@)
What
is
the
point
estimate
of
the
mean
price
Click
here
to
enter
answer
of
all
such
technology
based
statistics
textbooks?
(b)
Construct
a
90%
Confidence
interval
for
the
mean
price
of
all
such
textbooks.
(a)
Point
Estimate
of
4
=
X
=
95.9
|
vV
(b)
90%
Confidence
interval
forp
=
($89.37
<
p
<
$102.42|
vV
Correct