J. The exponential function y = 8.05(1.01683) * models the approximate population of North Carolina from 2000 to 2006, where x is the number
of years after 2000 and y represents millions of people. Use a graphing
calculator to find the approximate population of North Carolina
in 2006. Assuming the model does not change, when will the population
reach 10 million?

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b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation:

the answer is 13 cm