Which should be calculated first to solve this story problem? choose the best answer. paul drove his truck 55.8 miles per hour for 4 hours on monday, and then 48.4 miles per hour for 2 hours on tuesday. how far did paul drive altogether?
a. the total number of hours driven
b. the number of miles driven in 4 hours
c. the total number of miles driven

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step-by-step explanation:

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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