Tina bought a frame for a photo, but the photo is too big for the frame . tina needs to reduce the width and length of the photo by the same amount the area of the photo should be reduced to half the original area. if the original photo is 12 inches by 16 inches , what will be the dimensions of the smaller you

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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:

pls refer ro the top for answer

step-by-step explanation: