Question 1115521
 it is estimated that 30% of all drivers have some kind of medical aid in USA. What is the probability that in a sample of 10 drivers:
Binomial Problem with n = 10 and p = 0.3
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1. Exactly 4 will have a medical aid:: binompdf(10,0.3,4) 
2. At least 2 will have a medical aid:: 1 - binomcdf(10,0.3,1) 
3. More than 9 will have a medical:: 1- binomcdf(10,0.3,9)
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I use a TI-84+ to get the decimal answers.
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Cheers,
Stan H.
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