Answer: 30
Step-by-step explanation:
Answer:
1000(1/20000) +
300(2/20000) +
10(20/20000) +
=
1800/20000 = .09
Step-by-step explanation:
Each ticket purchased is expected to win 9 cents
Each ticket purchased cost 75 cents
If you interpret expected winnings per ticket to include the cost then each ticket is expected to lose 66 cents.
Answer:

Step-by-step explanation:


3. This problem incorporates an exponent property.
Exponent property used:
, yielding an answer of 
