For the statement below, write the claim as a mathematical statement. State the null and alternative hypotheses and identify which represents the claim.

A laptop manufacturer claims that the mean life of the battery for a certain model of laptop is lessthan 4 hours.

Write the claim as a mathematical statement.

A.

mu

less than or equals

4

4

B.

mu

greater than

>4

4

C.

mu

equals

=4

4

D.

mu

less than

<4

4

E.

mu

not equals

4

4

F.

mu

greater than or equals

4

4

Choose the correct null and alternative hypotheses below.

A.

Upper H 0H0:

muless than or equals44

Upper H Subscript aHa:

mugreater than>44

B.

Upper H 0H0:

mugreater than or equals44

Upper H Subscript aHa:

muless than<44

C.

Upper H 0H0:

mugreater than>44

Upper H Subscript aHa:

muless than or equals44

D.

Upper H 0H0:

muequals=44

Upper H Subscript aHa:

munot equals44

E.

Upper H 0H0:

muless than<44

Upper H Subscript aHa:

mugreater than or equals44

F.

Upper H 0H0:

munot equals44

Upper H Subscript aHa:

muequals=44

Identify which is the claim

A.

The null hypothesis Upper H 0

H0: mu

equals

=4

4 is the claim

B.

The alternative hypothesis Upper H Subscript a

Ha: mu

not equals

4

4 is the claim

C.

The alternative hypothesis Upper H Subscript a

Ha: mu

greater than

>4

4 is the claim

D.

The null hypothesis Upper H 0

H0: mu

less than or equals

4

4 is the claim

E.

The alternative hypothesis Upper H Subscript a

Ha: mu

less than

<4

4 is the claim.

F.

The null hypothesis Upper H 0

H0: mu

greater than or equals

4

4 is the claim.