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Mathematics, 21.06.2019 19:30
Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics
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Mathematics, 21.06.2019 23:30
The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.
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Mathematics, 22.06.2019 00:30
What is the mean of the data set 125, 141, 213, 155, 281
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Mathematics, 22.06.2019 03:00
Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current? 2(9 β c) = 4(9 + c) 9 + c = 4(9 β c) 9 β c = 2(9 + c) 4(9 β c) = 2(9 + c)
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