2 What is the equation of the axis of symmetry of the
parabola shown in the diagram below?
Answers choices:
(A) x = -0.5
(B) x = 2
(C) x = 4.5
(D) x = 13

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just for that im not answering

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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answer: im gonna go with milli

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