Mathematics, 07.12.2019 04:31 angiezavala61
Arandom sample of 20 houses selected from a city showed that the mean size of these houses is 1880 square feet with a standard deviation of 320 square feet. assume that the sizes of all houses in this city have an approximate normal distribution. the upper bound the 90% confidence interval for the mean size of all houses in this city is: a. 2110 b. 1941 c. 1974 d. 1968 e. 1894
Answers: 3
Mathematics, 21.06.2019 19:00
[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?
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Mathematics, 21.06.2019 19:00
Simplify. โ4x^2 (5x^4โ3x^2+xโ2) โ20x^6โ12x^4+8x^3โ8x^2 โ20x^6+12x^4โ4x^3+8x^2 โ20x^8+12x^4โ4x^2+8x โ20x^6+12x^4+4x^3โ8x^2
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Mathematics, 21.06.2019 22:10
Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?
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Mathematics, 22.06.2019 02:00
Mariano delivers newspaper. he always puts 3/4 of his weekly earnings in his savings account and then divides the rest equally into 3 piggy banks for spending at the snack shop, the arcade and the subway
Answers: 2
Arandom sample of 20 houses selected from a city showed that the mean size of these houses is 1880 s...
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