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Mathematics, 04.06.2021 05:50, morrisjillian23
8. A survey claims that 73% of Fiji households have at least one credit card. Find the probability
that in a random sample of 550 Fiji households, 375 to 385 have at least one credit card.
(4 marks)β
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Answers: 2
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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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8. A survey claims that 73% of Fiji households have at least one credit card. Find the probability...
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