Complete the puzzle so that each row, column, and diagonal adds up to the same total.

i wish i could u

step-by-step explanation:

i wish i could u

it is contrapositive

i could not see the question too well so check yourself again too . this is because i want you to get it correct.

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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step-by-step explanation:

a

step-by-step explanation:

strong negative correlation