The average charitable contribution itemized per income tax return in Pennsylvania is S792. Suppose that the distribution of contributions is normal with a standard deviation of S103. Find the limits for the middle 54% of contributions. Roundz-value calculations and final answers to 2 decimal places

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step-by-step explanation:

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60: 45 =12: 9 =4: 3 so the answer is 4: 3

let's first notice, the center of the hyperbola is at the origin, since the focus points are equidistantly 3 units away from the origin, that also means that the distance "c" from the center to either focus is 3.

it should also be notable that, the traverse axis for this hyperbola is vertical, or namely over the y-axis and therefore, the positive fraction will be the one with y-variable.

the traverse "a" component or distance from the center to either vertex is not 2, is more than 2, so we can safely put it at √5 ≈ 2.24.