When using the Midpoint Formula, to find the location of the point 1/2 of the distance between two points, you add their
matching values and divide by two. If you only wanted to go 1/3
of the way from the endpoint on the left, how would you do that?
Would your answer change if you wanted to be 1/3 of the
distance away from the endpoint on the right? Explain.

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: