The weights of a certain dog breed are approximately normally distributed with a mean of μ\displaystyle \mu = 48 pounds, and a standard deviation of σ\displaystyle \sigma = 5 pounds.

    A dog of this breed weighs 55 pounds. What is the dog's z-score? Round your answer to the nearest hundredth as needed.
      z=\displaystyle {z}=
    A dog has a z-score of 0.69. What is the dog's weight? Round your answer to the nearest tenth as needed.
      pounds
    A dog has a z-score of -0.69. What is the dog's weight? Round your answer to the nearest tenth as needed.
      pounds

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