About 71% of the students at Woodrow Wilson Middle School take a bus to school. If there are 891 students in the school, about how many students take
the bus?

A. 56
B. 63 C. 560
D. 630

line or a linear equation graph

step-by-step explanation:

fourth month

step-by-step explanation:

it is the one with the most keychains.

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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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