Mathematics, 22.07.2019 23:20 Ully4559
Astudy was conducted to determine the proportion of people who dream in black and white instead of color. among 290 people over the age of 55, 68 dream in black and white and among 288 people under the age of 25, 19 dream in black and white. use a 0.05 significance level to test the claim that the proportion of people over 55 who dream in black and white is greater than the proportion of those underidentify the test statistic? identify the p value? test the claim by constructing an appropriate confidence level? what is the conclusion base on the hypothesis test? what is the conclusion base on the confidence level?
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What's the difference between: x≥0 and nonnegative integer. ?
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Eileen purchased 3.4 pounds of apples at the total cost of $19.72. if she purchases 6.2 pounds of apples at this store, how much would it cost?
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Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?
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The area of a circle is equal to 1 dm². find the radius of the circle.
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Astudy was conducted to determine the proportion of people who dream in black and white instead of c...
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