SOLUTION: The Australian sheep dog is a breed renowned for its intelligence and work ethic. It is estimated that 25% of adult Australian sheep dogs weigh 65 pounds or more. A sample of 17 ad

Question 934169: The Australian sheep dog is a breed renowned for its intelligence and work ethic. It is estimated that 25% of adult Australian sheep dogs weigh 65 pounds or more. A sample of 17 adult dogs is studied. What is the standard deviation of the number of dogs who weigh 65 pounds or more?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The Australian sheep dog is a breed renowned for its intelligence and work ethic. It is estimated that 25% of adult Australian sheep dogs weigh 65 pounds or more. A sample of 17 adult dogs is studied. What is the standard deviation of the number of dogs who weigh 65 pounds or more?
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The problem is binomial because the dogs either do or do not weight more
than 65 pounds.
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The sample std is sqrt[npq]
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The population std is sqrt[pq]
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Cheers,
Stan H.
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