تم الحل ✓
categoryالرياضيات
schoolبكالوريوس
event_available2026-07-15
السؤال
Transcribed Image Text:
For a charity fundraiser a box contains seven $1 bills, six $2 bills, four $5 bills, two $10 bills, and one $100
bill. A donation of $10 is charged to select one bill at random from the box as a prize.
Let X the net contribution to the charity when one person plays the game once
(a) Complete the table for the probability distribution of X.
X
P(X)
$9
$8
$5
$0
-590
(b) What is the expected value of the net contribution to charity for one play of the game?
(c) The charity would like to receive a net contribution of $1000 for this game. What is the fewest number
of times that game must be played for the expected value of the net contribution to be at least $1000.
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