Mathematics, 14.01.2021 01:50 cyniakaofficial
The number of homes sold each year by a realtor is normally distributed with a mean of 54. If the realtor sold 36 homes last year with a z-score of -2.4, what is the standard deviation?
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Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by Γ’β4 to get Γ’β16x Γ’β 4y = Γ’β80 multiply the second equation by Γ’β1 to get Γ’β4x Γ’β y = Γ’β20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by Γ’β1 to get Γ’β2x Γ’β 4y = Γ’β14
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The number of homes sold each year by a realtor is normally distributed with a mean of 54. If the re...
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