Page 1 of 1

A person randomly selects one of four envelopes. Each envelope contains a check that the person gets to keep.​ However,

Posted: Tue May 10, 2022 8:17 am
by answerhappygod
A person randomly selects one of four envelopes. Each envelope
contains a check that the person gets to keep.​ However,
before the person can select an​ envelope, he or she must
pay​ $15 to play. Determine the​ person's expectation if
the checks in the envelopes are for​ $0, ​$2​, ​$8​, and
​$18.
The expected value is
$_____________________
​(Simplify your answer. Type an integer or a​ decimal.)