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In: Statistics and Probability

7)  100 9-year old boys take turns throwing a baseball as far as they can.  For the group,...

7)  100 9-year old boys take turns throwing a baseball as far as they can.  For the group,

      average distance thrown is 80 feet and σ = 20 feet.      

      a) What percentage threw 100 feet or more?

      b) How many threw 45 feet or less?

      c) What distance would be the top 10%?

      d) What is the probability that a child picked at random threw between 59-99 feet?

      e) What distances are so extreme that only 1% did it?

      f) What distances are so extreme that only 5% did it?

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orchestra answered 2 years ago
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