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VarunStatsHelp

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Activity 417 Answers 22 Edits 1 Asked

@varunstatshelp VarunStatsHelp wrote an answer to Find the area under the standard normal curve between z=0 and z=3? .

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@varunstatshelp VarunStatsHelp wrote an answer to What are the range, median, mean, and standard deviation of: {22, 12, 19, 24, 22, 21, 17, 14, 22, 20, 26, 10}? .

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@varunstatshelp VarunStatsHelp wrote an answer to What is the area between z= 2.11 and z = 2.49? .

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@varunstatshelp VarunStatsHelp updated the answer to A federal report stated that 88% of children under 18 were covered by health insurance in 2000. How large a sample is needed to estimate the true proportion of covered children with 90% confidence with a confidence interval of .05 wide? .

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@varunstatshelp VarunStatsHelp wrote an answer to A federal report stated that 88% of children under 18 were covered by health insurance in 2000. How large a sample is needed to estimate the true proportion of covered children with 90% confidence with a confidence interval of .05 wide? .

1 month ago · Like dap liked this.
@varunstatshelp VarunStatsHelp wrote an answer to If 8% of all people in an area are unemployed, what is the probability that in a sample of 200 persons, there are fewer than 10 people who are unemployed? .

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@varunstatshelp VarunStatsHelp wrote an answer to A contractor is considering a sale that promise a profit of $33,000 with a probability of 0.7 of $16,000 with a probability of 0.3 what is the expected profit? .

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@varunstatshelp VarunStatsHelp wrote an answer to What is the sample standard deviation formula? .

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@varunstatshelp VarunStatsHelp wrote an answer to What is the 95% confidence level for the following problem? .

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@varunstatshelp VarunStatsHelp wrote an answer to How do you make a box-and-whisker plot of the average daily temperatures in Tucson, Arizona, in December: 67, 57, 52, 51, 64, 58, 67, 58, 55, 59, 66, 50, 57, 62, 58, 50, 58, 50, 60, 63? .

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