Test the claim about the population mean at the level of significance. Assume the population is normally distributed.

Claim: = 40; = 0.05; = 1.97

Sample statistics:= 39.2;n = 25

Ho:Answer

p

Answer

=

>

<

Answer

H:Answer

p

Answer

>

=

<

Answer

Which is the claim?Answer

H

Ho

Tail:Answer

right-tailed

two-tailed

left-tailed

Critical values: -zo=Answer

zo=Answer

Rejection Regions: zAnswer

>

<

Answer

,zAnswer

<

>

Answer

Standardized test statistic: z =Answer

Because z isAnswer

not in the rejection region

in the rejection region

,Answer

fail to reject Ho

reject Ho

. ThereAnswer

is not enough evidence

is enough evidence

at the 5% level of significance toAnswer

support

reject

the claim.