Miniature dachshunds, a dog breed with very short legs, run at an average speed of 13 mph with a standard deviation of 1.6 mph. Labrador retrievers run at an average speed of 22 mph with a standard deviation of 2.8 mph. Both breeds' running speeds are Normally distributed. A miniature dachshund runs down a street at 14.8 mph. It is chasing a Labrador that is running 25 mph.

Complete Question

Miniature dachshunds, a dog breed with very short legs, run at an average speed of 13 mph with a standard deviation of 1.6 mph. Labrador retrievers run at an average speed of 22 mph with a standard deviation of 2.8 mph. Both breeds' running speeds are Normally distributed. A miniature dachshund runs down a street at 14.8 mph. It is chasing a Labrador that is running 25 mph, use their z-scores to find which dog is running faster relative to its breed

Miniature dachshunds is faster

Step-by-step explanation:

From the question we are told that

   The speed of the Miniature dachshunds is  

    The mean for the Miniature dachshunds is

    The standard deviation for the Miniature dachshunds is  

    The speed of the Labrador is

     The mean for the Labrador is  

    The standard deviation for the Labrador  is  

Generally the z-score for the Miniature dachshunds is

=>  

=>  

Generally the z-score for the Labrador is

=>  

=>  

From the value obtained we see that   , hence miniature dachshund  is  faster

83-45=38

38 was the other number

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