In an all boys school, the heights of the student body are normally distributed with a mean of 68 inches and a standard deviation of 4.5 inches. Using the empirical rule, what percentage of the boys are between 54.5 and 81.5 inches tall?

his wife got 46,000

his son gets 11,500

each charity gets 6,900

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answer: i think its red because you have to see what it equals to

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the exponential expression to find the value of the cd, in dollars, after t years will be:  

step-by-step explanation:

formula of compound interest:   , where final value after years,   initial value, rate of interest in decimal and number of compounding in a year.

oliver plans to purchase a $1,500 certificate of deposit (cd) at his bank. that means,  

the cd will earn 2.3% interest, compounded semi-annually.

so,   and  

now, plugging these values into the above formula, we will

(rounded to the nearest ten-thousandth)

so, the exponential expression to find the value of the cd, in dollars, after t years will be:  

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step-by-step explanation: