Abaseball
team
claims
that
the
mean
length
of
its
games
is
at
most
1.5
hours.
State
Hy
and
H,
in
words
and
in
symbols.
Then
determine
whether
the
hypothesis
test
for
this
claim
is
left-tailed,
right-tailed,
or
two-tailed.
Explain
your
reasoning.
State
the
null
hypothesis
in
words
and
in
symbols.
Choose
the
correct
answer
below.
¥
/..
The
null
hypothesis
expressed
in
words
is,
"the
mean
length
of
a
baseball
team's
games
is
at
most
1.5
hours.”
The
null
hypothesis
is
expressed
symbolically
as,
"Hp:ps15"
The
null
hypothesis
expressed
in
words
is,
“the
mean
length
of
a
baseball
team's
games
is
1.5
hours.”
The
null
hypothesis
is
expressed
symbolically
as,
"Hy:
p=15."
The
null
hypothesis
expressed
in
words
is,
"the
mean
length
of
a
baseball
team's
games
is
not
1.5
hours.”
The
null
hypothesis
is
expressed
symbolically
as,
"Hy:
p#1.5."
The
null
hypothesis
expressed
in
words
is,
"the
mean
length
of
a
baseball
team's
games
is
at
least
1.5
hours.”
The
null
hypothesis
is
expressed
symbolically
as,
"Hy:
p21.5"
State
the
alternative
hypothesis
in
words
and
in
symbols.
Choose
the
correct
answer
below.
The
alternative
hypothesis
expressed
in
words
is,
"the
mean
length
of
a
baseball
team’s
games
is
1.5
hours.”
The
alternative
hypothesis
is
expressed
symbolically
as,
"H,:
p=15."
The
alternative
hypothesis
expressed
in
words
is,
"the
mean
length
of
a
baseball
team’s
games
is
more
than
1.5
hours.”
The
alternative
hypothesis
is
expressed
symbolically
as,
"H,:
p>1.5."
The
alternative
hypothesis
expressed
in
words
is,
"the
mean
length
of
a
baseball
team’s
games
is
not
1.5
hours.”
The
alternative
hypothesis
is
expressed
symbolically
as,
"H,-
p#15."
The
alternative
hypothesis
expressed
in
words
is,
"the
mean
length
of
a
baseball
team’s
games
is
less
than
1.5
hours.”
The
alternative
hypothesis
is
expressed
symbolically
as,
"H,:
p<1.5."
The
hypothesis
test
is
right-tailed
because
the
alternative
hypothesis
contains
>.
