Given that an investor’s utility function is u=ln(w), he faces a gambling with an entry fee of 18 yuan: 10% probability to get 90 yuan, 90% probability to get 10 yuan, then this investor will:
A: Accept this gambling and pay an entrance fee of 90 yuan
B: Refused this gambling, but if the entry fee is less than 12.46 yuan, will accept this gambling
C: Reject this gambling, no matter how much the entry fee is reduced
D: Reject this gambling, but only accept the gambling if the entry fee drops to 5.54 yuan
A: Accept this gambling and pay an entrance fee of 90 yuan
B: Refused this gambling, but if the entry fee is less than 12.46 yuan, will accept this gambling
C: Reject this gambling, no matter how much the entry fee is reduced
D: Reject this gambling, but only accept the gambling if the entry fee drops to 5.54 yuan
举一反三
- The Chinese government has officially the global gambling (赌博) industry, which makes it likely that Chinese citizens will be gambling much less in China, its neighboring countries, and the US.?declare war on)
- Gambling is legal in western countries.( )
- U4 If the original price of a dress is 800 yuan，and today it is sold with a sign “20% off”, how much should the buyer pay? A: 160 yuan B: 320 yuan C: 640 yuan D: 1000 yuan
- “Gambling is a way to make money withoutworking.” This is a good definition.
- He payed 90 yuan for the new dress.