The number of seeding trees that can be planted in one day depends on the number of students in the work group. Data from several different work groups are shown in the next graph. Hint: Use the points (4,100)( 4 , 100 ) and (12,300) Write an equation in slope-intercept form.

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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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step-by-step explanation:

it would open into a square depending on the type of envelope i’m not sure about the second part

both graphs increase on their domain

neither graph has a y-intercept

step-by-step explanation:

the following points can be visualized easily from the graph

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