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jskinny0831
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jskinny0831
Score
157
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30
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1
30 Questions
1 Answers
0
699
1
+157
help plz
liberal arts math
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jskinny0831
May 6, 2016
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1147
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+157
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
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jskinny0831
May 5, 2016
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604
0
+157
Estimations and Predictions
who can help?
jskinny0831
May 4, 2016
0
593
0
+157
help please
i need help please
jskinny0831
May 1, 2016
0
1398
1
+157
help!!
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
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jskinny0831
Apr 20, 2016
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1224
1
+157
can someone plz help
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
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jskinny0831
Apr 20, 2016
0
828
0
+157
i need help!!!
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
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jskinny0831
Apr 11, 2016
0
1194
1
+157
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
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jskinny0831
Apr 11, 2016
0
1
2378
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+157
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
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jskinny0831
Apr 11, 2016
0
1043
1
+157
help!!
i need help pleaseeee
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jskinny0831
Apr 10, 2016
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please help me @CPhill
jskinny0831
Apr 20, 2016