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Probability of Landing Number 10 on Two Dices

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.

Total Word Count NA

 

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Comments

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    Giuseppe

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