probability help please

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RUPSON

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Dec 9, 2010
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1.Suppose it is known that a new treatment is successful in curing muscular pain in % of the cases. If it is tried on patients, find the probability that at most patients are cured. Round your answer to four decimal places.

2.A woman tosses a fair coin times. What is the probability that she gets at least heads? Round your answer to four decimal places.

can anyone please help me out with these two problems in probability & statisic
 
Please don't start new threads at the end of old ones.

Please show us ANYTHING. We don't ask for much. Just the slightest little bit of your own work.
 
RUPSON said:
1.Suppose it is known that a new treatment is successful in curing muscular pain in % of the cases. If it is tried on patients, find the probability that at most patients are cured. Round your answer to four decimal places.

2.A woman tosses a fair coin times. What is the probability that she gets at least heads? Round your answer to four decimal places.

can anyone please help me out with these two problems in probability & statisic
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'at most' and 'at least' what?.
 
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