Mathematics, 14.01.2020 07:31 rirnj005
Asample of 1700 computer chips revealed that 51% of the chips do not fail in the first 1000 hours of their use. the company's promotional literature states that 48% of the chips do not fail in the first 1000 hours of their use. the quality control manager wants to test the claim that the actual percentage that do not fail is different from the stated percentage.
1. determine the decision rule for rejecting the null hypothesis, h0, at the 0.01 level.
Answers: 2
Mathematics, 21.06.2019 17:00
Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?
Answers: 1
Mathematics, 21.06.2019 19:30
What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4
Answers: 1
Mathematics, 21.06.2019 22:30
The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.
Answers: 2
Asample of 1700 computer chips revealed that 51% of the chips do not fail in the first 1000 hours of...
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