Mathematics, 04.12.2019 04:31 karsynraine8224
Amanufacturer claims that the average ten- sile strength of thread a exceeds the average tensile strength of thread b by at least 12 kilograms. to test this claim, 50 pieces of each type of thread were tested under similar conditions. type a thread had an aver- age tensile strength of 86.7 kilograms with a standard deviation of 6.28 kilograms, while type b thread had an average tensile strength of 77.8 kilograms with a standard deviation of 5.61 kilograms. test the manufacturer’s claim using a 0.05 level of significance
Answers: 3
Mathematics, 21.06.2019 16:00
5Ă— 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1
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Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.
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Jonah buys a television that costs $445. sales tax in his state is 7 percent. which of the following expressions represent the amount of tax on the television?
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Amanufacturer claims that the average ten- sile strength of thread a exceeds the average tensile str...
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