The standard trampoline has a diameter of 14 feet. What is its area?

The standard trampoline has a diameter of 14 feet. What is its area?

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  1. 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.

    click to let others know, how is it

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    step-by-step explanation:

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