Probability of Landing Number 10 on Two Dices
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Question
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
Summary
These multiple choice questions belong to Statistics. The 1st question 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.
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