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Number of state-registered automatic weapons

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The table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states.x

x 11.4 8.3 6.8 3.9 2.4 2.4 2.4 0.4
y 13.9 10.8 10.1 7.5 5.8 6 6.3 4.1

x = thousands of automatic weapons

y= murders per 100,000 residents

This data can be modeled by the equation y=0.87x+3.92.

Use this equation to answer the following;

A) How many murders per 100,000 residents can be expected in a state with 7 thousand automatic weapons?

Answer = _____ ( Round to 3 decimal places.)

B) How many murders per 100,000 residents can be expected in a state with 2.1 thousand automatic weapons?

Answer = _____ (Round to 3 decimal places.)

Reference no: EM132880266

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