home > q&a board > statistics and probability > topic: probability distributions

Q BgQuestion:

Scholar
Karma Points: 200
Respect (68%):
posted by  minabruuke on 10/12/2008 7:59:07 PM  |  status: Closed  

Probability Distributions

Course Textbook Chapter Problem
N/A N/A N/A N/A
Question Details:
In a study of the Edmonds sea star it was found that the population had 2 color morphs-red and green. Researchers at a particular site collected a random sample of 67 Edmonds sea stars.  Of these 12 were red.  Assuming that 25% of the population were red color morphs, find the probability that
a) a random sample of 67 will have no more than 12 red morphs;
b)a random sample of 67 will have at least 12 red color morphs.(use a normal approximation of the binomial.)
Bonus Point Alert! Earn +4 additional karma points for helping this annual member.

AAnswers:

Answer Question
Sage
Karma Points: 3,730
posted by John solomon on 10/12/2008 9:19:37 PM  |  status: Live
Asker's Rating: Lifesaver   
Response Details:
     
This will help you
Answer Question
Ask New Question

Join Cramster's Community

Cramster.com brings together students, educators and subject enthusiasts in an online study community. With around-the-clock expert help and a community of over 100,000 knowledgeable members, you can find the help you need, whenever you need it. Join for free today » How Cramster is different than tutoring »

Need Help In

Useful Links