The population of a town has been growing, following the equation P = 800t + 4500, where t is years after 2010. The number of restaurants in the town has been growing according to the equation R = 5t + 40.

answer: median

step-by-step explanation:

the median is the middle value when a data set is ordered from least to greatest

hello,

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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