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Probabilty distribution?

  • Thread starter rclakmal
  • Start date
  • #1
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Homework Statement




It is known that 40% of the adults support the idea of constructing a second International Airport for the country .A sample of 15 adults was questioned regarding this issue .
what is the probability of that no more that 6 in the sample support the idea ?




The Attempt at a Solution



I just want to know is this a binomial distribution where
n=15 and
p=0.4;

if so the answer should be
SIGMA( r goes 0 to 6 )15Cr * 0.4^(r) * 0.6^(r)

am i correct ??/if I'm wrong please help me out !!!!!!Or if I'm' write confirm it thanks a lot!!!!!!!!!
 

Answers and Replies

  • #2
tiny-tim
Science Advisor
Homework Helper
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Hi rclakmal! :smile:

(try using the X2 tag just above the Reply box :wink:)

Yes, that's fine. :smile:
 
  • #3
76
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thanks Tiny TIm !!:
 

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