Mathematics, 17.03.2020 01:58 Marqiuse412
A local board of education conducted a survey of residents in the community concerning a property tax levy on the coming local ballot. They randomly selected 850 residents in the community and contacted them by telephone. Of the 850 residents surveyed, 410 supported the property tax levy. Let p represent the proportion of residents in the community that support the property tax levy.
A 90% confidence interval for p is (Use decimal notation. Give value to four decimal places and "z" value to three decimal places.)
A. 0.4489 to 0.5159.
B. 0.4542 to 0.5105.
C. 0.4487 to 0.5161.
D. 0.4463 to 0.5185.
Answers: 1
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The value of x in this system of equations is 1. 3x + y = 9 y = β4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (β4x + 10) = 9 βx + 10 = 9 βx = β1 x = 1 what is the value of y?
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