Test Hypotheses about a Population Mean with Known Using the Classical Approach
-A local group claims that the police issue at least 60 parking tickets a day in their area. To prove their point, they randomly select one month. Their research yields the number of tickets issued for each day. The data are listed below. At $\alpha = 0.01$, test the group's claim.
$\begin{array} { l l l l l l l l l l } 70 & 48 & 41 & 68 & 69 & 55 & 70 & 57 & 60 & 83 \ 32 & 60 & 72 & 58 & 88 & 48 & 59 & 60 & 56 & 65 \ 66 & 60 & 68 & 42 & 57 & 59 & 49 & 70 & 75 & 63 \ 44 & & & & & & & & & \end{array}$

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The Answer of Test Hypotheses about a Population Mean with Known Using the Classical Approach
-A local group claims that the police issue at least 60 parking tickets a day in their area. To prove their point, they randomly select one month. Their research yields the number of tickets issued for each day. The data are listed below. At $\alpha = 0.01$, test the group's claim.
$\begin{array} { l l l l l l l l l l } 70 & 48 & 41 & 68 & 69 & 55 & 70 & 57 & 60 & 83 \ 32 & 60 & 72 & 58 & 88 & 48 & 59 & 60 & 56 & 65 \ 66 & 60 & 68 & 42 & 57 & 59 & 49 & 70 & 75 & 63 \ 44 & & & & & & & & & \end{array}$

Test Hypotheses About a Population Mean with Known Using the Classical