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# (Solved): (d) Repeat the preceding hypothesis test using the critical value approach. State the null and alter ...

(d) Repeat the preceding hypothesis test using the critical value approach. State the null and alternative hypotheses.

H_(0):\mu <=$1,051 H_(a):\mu >$1,051 H_(0):\mu >=$1,051 H_(a):\mu <$1,051 H_(0):\mu =$1,051 H_(a):\mu !=$1,051 H_(0):\mu >$1,051 H_(a):\mu <=$1,051 H_(0):\mu <$1,051 H_(a):\mu >=$1,051

Find the value of the test statistic. (Round your answer to two decimal places.) State the critical values for the rejection rule. (Use

\alpha =0.05

. Round your answer to two decimal places. If the test is one-tailed, enter NONE for test statistic

<=

test statistic

>=

H_(0)

. There is insufficient evidence to conclude that the mean refund of "last minute" filers is less than or equal

$1,051 . Do not reject H_(0) . There is sufficient evidence to conclude that the mean refund of "last minute" filers is less than $1,051

. Do not reject

H_(0)

. There is insufficient evidence to conclude that the mean refund of "last minute" filers is less or equal than

$1,051 . Reject H_(0) . There is sufficient evidence to conclude that the mean refund of "last minute" filers is less than $1,051

H_(0):\mu =1,051

H_(a):\mu <1,051

part b)

z=-1.76 P- value =0.0392

part c) Reject

H_(0)

. There is sufficient evidence to conclude that the mean refund of " last minite " filers is less than

\$1051

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