Mathematics, 29.01.2020 10:02 baeethtsadia
Paul wants to compare whether the prices of tangerines in two supermarkets differ significantly. he has been noting down the daily prices for the last few days and has found the difference in the sample means to be 20 cents. if the standard deviation of the distribution of the difference between sample means is 28 cents and we are testing the null hypothesis at the 95% confidence level, which statement is true?
Answers: 3
Mathematics, 21.06.2019 15:30
Astore manager records the total visitors and sales, in dollars, for 10 days. the data is shown in the scatter plot. what conclusion can the store manager draw based on the data? question 3 options: an increase in sales causes a decrease in visitors. an increase in sales is correlated with a decrease in visitors. an increase in visitors is correlated with an increase in sales.
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Mathematics, 22.06.2019 01:00
Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter?
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Given: prst square pmkd is a square pr = a, pd = a find the area of pmct.
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