1.

The expected time (t

A. <table><tr><td rowspan="2">t<sub>e</sub> = </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>t<sub>o</sub> + 4t<sub>l</sub> + t<sub>p</sub></center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">6</td></tr></table>
B. <table><tr><td rowspan="2">t<sub>e</sub> = </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>t<sub>o</sub> + 4t<sub>p</sub> + t<sub>l</sub></center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">6</td></tr></table>
C. <table><tr><td rowspan="2">t<sub>e</sub> = </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>t<sub>o</sub> + 4t<sub>l</sub> + t<sub>p</sub></center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">3</td></tr></table>
D. <table><tr><td rowspan="2">t<sub>e</sub> = </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>t<sub>o</sub> + 4t<sub>p</sub> + t<sub>l</sub></center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">3</td></tr></table>
Answer» B. <table><tr><td rowspan="2">t<sub>e</sub> = </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>t<sub>o</sub> + 4t<sub>p</sub> + t<sub>l</sub></center></td><td rowspan="2"></td></tr><tr><td style="text-align: center;">6</td></tr></table>


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