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    African Lions, Normally Distributed

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    The birth weights of African lions are normally distributed. The average birth weight of an African lion is 3.6 pounds with a standard deviation of 0.4 pound.
    13. What percent of newborn African lions weigh less than 3 pounds?
    14. What percent of newborn African lions weight more than 3.8 pounds?
    15. What percent of newborn African lions weigh between 2.7 and 3.7 pounds?
    16. Determine the birth weight of a lion cub in the 80the percentile.
    17. Determine the birth weight of a lion cub in the 10th percentile.
    18. Determine the birth weight of a lion cub in the 97th percentile.
    19. A lioness gives birth to 2 cubs. One cub is in the 47th percentile and 1 is in the 62nd percentile. Determine the difference in the cubs' weights.

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    Solution Preview

    The birth weights of African lions are normally distributed. The average birth weight of an African lion is 3.6 pounds with a standard deviation of 0.4 pound.
    13. What percent of newborn African lions weigh less than 3 pounds?

    Enter the following on a TI 83 calculator.

    Answer: 6.7%
    14. What percent of ...

    Solution Summary

    The solution file shows computations made with a TI 83 calculator using the birth weights of African lions.

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