Mathematics, 18.11.2019 22:31 ani61
Allen's hummingbird (selasphorus sasin) has been studied by zoologist bill alther.† suppose a small group of 19 allen's hummingbirds has been under study in arizona. the average weight for these birds is x = 3.15 grams. based on previous studies, we can assume that the weights of allen's hummingbirds have a normal distribution, with σ = 0.20 gram. find an 80% confidence interval for the average weights of allen's hummingbirds in the study region. (a) find an 80% confidence interval for the average weights of allen's hummingbirds in the study region. (round your answers to two decimal places.)
i. lower limit
ii. upper limit
iii. margin of error
Answers: 3
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What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15
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Lucy is a dress maker. she sews \dfrac47 7 4 ? of a dress in \dfrac34 4 3 ? hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable.
Answers: 2
Allen's hummingbird (selasphorus sasin) has been studied by zoologist bill alther.† suppose a small...
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