12/11/19

In a normal distribution with mean of 900 and standard deviation is 350 find the probability that a data value picked at random is greater than 1100

please help meshow all work
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10/01/19

Andrea invests $1700 in one account and $900 in an account paying 3% higher interest. At the end of one year she had earned $261 in interest. At what rates did she invest?

$1700 invested at what %$900 invested at what %
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10/01/19

I need algebra help
PC Solutions sells regular keyboards for $87 and wireless keyboards for $103. Last week the store sold four times as many regular keyboards as wireless. If total keyboard sales were $7,216, how... more
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