Probability of landing number 10 on two dices

Reference no: EM13828640

1. A drug is reported to benefit 40% of the patients who take it. If 6 patients take the drug, what is the probability that 4 or more patients will benefit?

A. 0.179
B. 0.667
C. 0.862
D. 0.138

2. If a gambler rolls two dice and gets a sum of 10, he wins $10, and if he gets a sum of three, he wins $20. The cost to play the game is $5. What is the expectation of this game?

A. $3.06
B. -$2.78
C. -$3.06
D. $2.78

Additional Information

These multiple choice questions based on the Statistics. The first problem is about a drug with 40% patients benefitting, the probability for 4 or more patients out of 6 is calculated and the 2nd question is about rolling dice.

Reference no: EM13828640

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