Decompose the fraction into partial fractions.
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What will be an ideal response?
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A sample statistic and margin of error are given. Find the confidence interval likely to contain the population parameter of interest and answer the question.Ten years ago, according to government records, 17% of the population of Elmwood had no health insurance. This year a poll revealed that 21.0% were without insurance. The margin of error was 3.2 percentage points. Find a confidence interval for the true percentage without insurance this year. Can we conclude that the percentage without insurance has increased from ten years ago?
A. 19.4% to 22.6%; yes B. 17.8% to 24.2%; yes C. 14.6% to 21.0%; no D. 21.0% to 24.2%; yes
Find the area of the figure. Use 3.14 to approximate ?, if needed.
A. 40.28 sq yd B. 46.28 sq yd C. 682.56 sq yd D. 46.56 sq yd
Divide and simplify.
A. 3r8 - 5r5 B. 3r6 - 5r3 C. 18r6 - 30r3 D. 3r7 - 5r4
Simplify.
A. 0 B. -5 C. Undefined D. 5