Mathematics, 21.11.2019 21:31 lulu8167
In a particular large school system, the average iq of elementary school children is 105 and the standard deviation is 15. a sample of 81 children is randomly selected from elementary schools within the system. find the mean of the sampling distribution of x. find the standard deviation, what is the probability that the average iq of this sample is below 108?
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Mathematics, 21.06.2019 16:50
Its worth 10000000 points need asap if you answer correctly ill mark brainliest
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Mathematics, 22.06.2019 01:00
3questions show how you solved the problem 1. subtract & simplify (โy2 โ 4y โ 8) โ (โ4y2 โ 6y + 3) 2.multiply and simplify 2x2y3z2 ยท 4xy4x2 3.multiply and simplify (x โ 4) (x2 โ 5x โ 6)
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Mathematics, 22.06.2019 01:30
One of the solutions to x2 - 2x โ 15 = 0 is x = -3. what is the other solution? ox=-5 ox= -1 0 x=1 x = 5
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Mathematics, 22.06.2019 02:30
Paper plates cost $8 per package and plastic utensils cost $5 per package. your supplier delivers 15 packages for a total cost of $90.
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In a particular large school system, the average iq of elementary school children is 105 and the sta...
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