SOLUTION: It is known that 70% of Democrats like music. What is the probability that in a random sample of 50 Democrats, only 30 like music.

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Question 170989: It is known that 70% of Democrats like music. What is the probability that in a random sample of 50 Democrats, only 30 like music.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
It is known that 70% of Democrats like music. What is the probability that in a random sample of 50 Democrats, only 30 like music.
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Using TI binompdf function you get:
binompdf(50,0.70,30) = 0.00345
Cheers,
Stan H.