Which of the following could be the graph of the equation y = -2x? *
please answer

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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

I'm confused on this could anyone me and show me what i need to do to solve it.