:what proportion of residents in the study have children and own at least one car? also, what proportion of residents in the study do not have children and own at least one car? (2 points)part b: explain the association between the number of cars and whether they have children for the 200 residents. use the data presented in the table and proportion calculations to justify your answer. (4 points)part c: perform a chi-square test for the hypotheses. h0: the number of cars owned by residents of a local town and whether they have children have no association. ha: the number of cars owned by residents of a local town and whe

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1. 180°. the sum of the interior angles of a triangle is 180°, for the equilateral triangle that it has three equals side is 60°+60°+60°=180°.

2. 60°. each interior angle of a equilateral triangle is 60°

3. 120°. the measure of ∠m is 120°, the sum of the angles ∠m and ∠n is equal to 180°. so, in order to find the measure of ∠m, we have ∠m+∠n=180° > ∠m=180°-∠n > ∠m=180°-60°=120°.

4. 360°. the sum of the exterior angles of an equilateral triangle is ∠m+∠r+∠x=120°+120°+120°=360°. the exterior angles of any triangle always add 360°.

hi there, i would be interested to you with your test, may you add the questions and answer options.

- : )