You are challenged to a lucky draw game. If you draw a face card (K, Q, J) from a standard deck of cards, you earn 10 points. If

Question

Ipatiy [6.2K]

3 years ago

8

You are challenged to a lucky draw game. If you draw a face card (K, Q, J) from a standard deck of cards, you earn 10 points. If

you draw any other card, you lose 2 points. What is the expected value of a draw?

Mathematics

2 answers:

sveticcg [70] · Answer 1 · 2022-03-22T08:56:03+03:00

There are 3 face cards for each of the 4 suits, leading to a total possible gain of 120, there are 40 other cards leading to a total possible loss of 80.
120 - 80 = 40.
40 / 52 (total number of cards) = about .77

Final Answer:
The expected value of a draw is positive 0.77 points.
Hope I helped :)

Natali [406] · Answer 2 · 2022-03-22T10:59:16+03:00

Natali [406]3 years ago

6 0

Answer:0.77

Step-by-step explanation: