What is the average number of days between when an order is placed and when it is shipped for orders placed before the pandemic $($i$.$e$.$ before $4/1/2020)$ and going to Michigan? HINT: I queried a query to do this one.

$3\mathrm{.}5357$

$3\mathrm{.}8750$

$3\mathrm{.}1333$

$3\mathrm{.}9090$

$3\mathrm{.}2500$

$3\mathrm{.}6000$

$3\mathrm{.}6829$

$4\mathrm{.}0714$