If the toss of a coin comes down heads,you win a dollar.If it comes down tails,you lose fifty cents.How much would you expect to gain after 20 tosses?
A) $5.00
B) $7.50
C) $10.00
D) $15.00

Name: If the toss of a coin comes down heads,you win a dollar.If it comes down tails,you lose fifty cents.How much would you expect to gain after 20 tosses? A) $5.00 B) $7.50 C) $10.00 D) $15.00
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Question

Quizplus · Accepted Answer

Expected return = 20 × [($1 × 0.5) − (0.50 × 0.5)] = $5.00

If the Toss of a Coin Comes Down Heads,you Win