Some days, Lacy runs one complete lap around a lake Other days, she runs one complete lap around a park The following diagram shows the dimensions of the lake and park on a coordinate grid. Please helppp A. A lap around the park is longer by about 25 m

B. A lap around the park is longer by about 13 m

C. A lap around the lake is longer than about 25 m

D. A lap around the lake is longer by about 13 m​

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

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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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