jskinny0831

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liberal arts math

jskinny0831 May 6, 2016

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One hundred fifty-three of the 258 high school students surveyed at a local school say they went outside more during school hours as elementary school

One hundred fifty-three of the 258 high school students surveyed at a local school say they went outside more during school hours as elementary school students than they do now as high school students. Calculate the margin of error (ME), rounded to the read more ..

jskinny0831 May 5, 2016

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Estimations and Predictions

jskinny0831 May 4, 2016

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614

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i need help please

jskinny0831 May 1, 2016

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The mean mark on a state-administered mathematics exam by a 10th grade class in Smalltown, Wisconsin, was 95%, while the mean mark on the same exam by 10th grade students in the entire state of Wisconsin was reported to be only 78%. This suggests that the read more ..

jskinny0831 Apr 20, 2016

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In an attempt to document the percentage of teenagers in the United States who play video games for more than 4 hours per day, the group Concerned Citizens for Teenage Welfare surveyed 2,000 teenagers randomly selected from across the United States. It read more ..

jskinny0831 Apr 20, 2016

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846

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A recent survey by the American Cancer Society shows that the probability that someone is a smoker is P(S) = 0.31. It has also determined that the probability that someone has lung cancer, given that he or she is a smoker, is P(LC|S) = 0.226. What is the read more ..

jskinny0831 Apr 11, 2016

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helppp

At a high school, the probability that a student takes a science class and a history class is 0.38. The probability that a student takes a science class is 0.78, and the probability that the student takes a history class is 0.60. What is the probability read more ..

jskinny0831 Apr 11, 2016

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Two cards are drawn without replacement from a standard deck of 52 cards. What is the probability that both cards are 7s? Are these events independent?

Two cards are drawn without replacement from a standard deck of 52 cards. What is the probability that both cards are 7s? Are these events independent?

A. 3/676 ; no, they are dependent events
B. 1/169 ; yes, they are read more ..

jskinny0831 Apr 11, 2016

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1065

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i need help pleaseeee

jskinny0831 Apr 10, 2016

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please help me @CPhill

jskinny0831Apr 20, 2016