A pentagonal prism is cut by a plane perpendicular to the base. What is the shape of the cross section that is formed?
A. a pentagon with one pair of equal sides
B. a trapezoid with one pair of parallel sides
C. a rectangle
D. a triangle
E. a hexagon

b

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29933333.33

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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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ur right ive taken the test

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