The average speed of greyhound dogs is about 18.8 meters persecond. A particular
ID: 2913814 • Letter: T
Question
The average speed of greyhound dogs is about 18.8 meters persecond. A particular greyhound breeder claims that her dogsare faster than the average greyhound. In a sample of 45 of herdogs, they ran, on the average, 19.2 meters per second with astandard deviation of 1.4. Is her claim correct if she iswilling to accept an error rate of 2.5 out of 100?
A)
Yes, because 1.92 falls in the noncritical region
B)
No, because 0.04 falls in the noncritical region
C)
Yes, because 0.04 falls in the noncritical region
D)
No, because 1.92 falls in the noncritical region
A)
Yes, because 1.92 falls in the noncritical region
B)
No, because 0.04 falls in the noncritical region
C)
Yes, because 0.04 falls in the noncritical region
D)
No, because 1.92 falls in the noncritical region
Explanation / Answer
The averagespeed of greyhound dogs is about 18.8 meters per second. Aparticular greyhound breeder claims that her dogs are faster thanthe average greyhound. In a sample of 45 of her dogs, they ran, onthe average, 19.2 meters per second with a standard deviation of1.4. Is her claim correct if she is willing to accept an errorrate of 2.5 out of 100?
A)
Yes, because 1.92 falls in the noncritical region
B)
No, because 0.04 falls in the noncritical region
C)
Yes, because 0.04 falls in the noncritical region
D)
No,because 1.92 falls in the noncriticalregion
A)
Yes, because 1.92 falls in the noncritical region
B)
No, because 0.04 falls in the noncritical region
C)
Yes, because 0.04 falls in the noncritical region
D)
No,because 1.92 falls in the noncriticalregion
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