What is the Expected Value without Perfect Information?

Key Information: s$2=\mathrm{.}79$

Decision Tree $-$ Small Handwritten Decision Tree for Exam $2-2.$jpg

Group of answer choices

$5\mathrm{.}63$

$7\mathrm{.}37$

$10\mathrm{.}64$

$5\mathrm{.}58$

$4\mathrm{.}42$