Mathematics, 26.06.2019 17:10 tkdurocher
Arandom sample of 25 fields of rye has a mean yield of 31.2 bushels per acre and standard deviation of 6.99 bushels per acre. determine the 80% confidence interval for the true mean yield. assume the population is approximately normal. (a) find the critical value that should be used in constructing the confidence interval. round your answer to three decimal places. (b) construct the 80% confidence interval. round your answer to one decimal place.
Answers: 2
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What is the area of a rectangle with vertices (-8,-2), (-3,-2), (-3,-6), and (-8,-6)? units
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City l has a temperature of −3 °f. city m has a temperature of −7 °f. use the number line shown to answer the questions: number line from negative 8 to positive 8 in increments of 1 is shown. part a: write an inequality to compare the temperatures of the two cities. (3 points) part b: explain what the inequality means in relation to the positions of these numbers on the number line. (4 points) part c: use the number line to explain which city is warmer. (3 points)
Answers: 2
Arandom sample of 25 fields of rye has a mean yield of 31.2 bushels per acre and standard deviation...
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