Most popular questions and responses by Richelle
  1. statistics

    A recent survey showed that among 675 randomly selected subjects who completed 4 years of college, 138 smoke and 537 do not smoke. Determine a 95% confidence interval for the true proportion of the given population that smokes.

    asked on March 29, 2015
  2. mathematics

    What is the solution for this? The surface area of a sphere varies in direct proportion to the square of its radius. If a sphere of radius 6cm has a surface area of 452 square cm, find, to the nearest mm, the radius of a spherewith the surface area 1000

    asked on October 29, 2011
  3. Pre calc

    A farmer with 2000 meters of fencing wants to enclose a rectangular field that borders a barn. If the farner does not fence the side along the barn, what is the largest area that can be enclosed?

    asked on October 30, 2014
  4. Statistics

    College officials want to estimate the percentage of students who carry a gun, knife, or other such weapon. How many randomly selected students must be surveyed in order to be 94% confident that the sample percentage has a margin of error of 2 percentage

    asked on March 29, 2015
  5. Math

    What is the smallest 5 digit even number that can be formed with the digit 091 and 6

    asked on November 15, 2016
  6. COM 155

    Write 2 paragraphs about how interest rates affect our purchasing descisions. Identify the topic sentence by underlining it. Interest rates is the price that the lender sets for the borrower to pay as a fee to borrow money. Depending on whether or not

    asked on May 27, 2011
  7. algera 1

    lucy makes and sells photo albums her monthly expenses are 600$ plus 2$ for each album she sells. her income for each album sold is 10$ the inequality belowcan be used to find the least number of albums lucy should see so that her income is greater than

    asked on November 16, 2011
  8. college

    Explain how the U.S. became involved in the politics of Southeast Asia

    asked on November 21, 2010
  1. comp

    As our family was paying off my student loans, we were contemplating buying a new home. I will be paying off my accrued interest while still in college so that the interest won't increase.

    posted on April 24, 2011