Select all of the true statements. a. 1 3 foot > 5 inches b. 4 miles > 7 , 000 yards c. 2 1 4 miles < 10 , 000 feet d. 5 3 4 yards = 196 inches e. 8 yards = 24 feet

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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