PA $2-6($Algo$)$ Based on the data provided in Table $2\mathrm{.}6,...$

Based on the data provided in Table $2\mathrm{.}6,$ what is the flow rate of customers from $9$:$00$ a$.$m$.$ to $10$:$00$ a$.$m

Note: Round your answer to $4$ decimal places.

Customer Time in Time out

$19$:$009$:$19$

$29$:$049$:$28$

$39$:$089$:$15$

$49$:$099$:$38$

$59$:$149$:$19$

$69$:$189$:$33$

$79$:$189$:$47$

$89$:$199$:$39$

$99$:$249$:$41$

$109$:$279$:$43$