Itemized Charitable Contributions The average charitable contribution itemized per income tax return in Pennsylvania is $792 . Suppose that the distribution of contributions is normal with a standard deviation of $108 . Find the limits for the middle 58% of contributions. Use a graphing calculator and round the answers to two decimal places.

b

Step-by-step explanation:

the answer is:

the correct option:

b.

to solve the problem, we need to remember how to operate to simplify exponential expressions using the logarithms.

we are given the equation:

then, using placing logarith with base 7 on both sides of the equation, we have:

so, rounding the obtained result to two decimal places (nearest hundreth), we have:

hence, we have that the correct option:

b.

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