How do you solve 2 2/5 divided by 1/12
2 answers:
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Answer: Option D
D. $108
Step-by-step explanation:
We must calculate the expected cost per patient to use treatment method B.
The expected cost for a discrete random variable x is:
Where is the cost associated with the probability
In this case, the random variable x is represented by the cost of each treatment.
For treatment B there is a possibility that antibiotic 2 works, in that case the cost x would be $ 100 and
There is also the possibility that it does not work, in this case the cost x would be $180 and the probability
The expected cost is: