anonymous
  • anonymous
The heights of a large sample of pine trees are normally distributed with a mean of 40 feet and standard deviation of 7 ft. What percent of the trees are shorter than 54 ft?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
you just want answers, will be back shortly
dumbcow
  • dumbcow
P(Z<2) = 0.9772 look up in Z table 54 is 2 std deviations away from mean

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