Mathematics, 26.05.2021 01:00 cravetyler3989
A sample of 20 heads of lettuce was selected. Assume that the population distribution of head weight is normal. The weight of each head of lettuce was the recorded. The mean weight was 2.2 pounds with a standard deviation of 0.1 pounds. The population standard
deviation is known to be 0.2 pounds
Construct a 95% confidence interval for the population mean weight of the heads of lettuce. State the confidence interval. (Round your answers to two decimal places)
211
219
Sketch the graph (Round your answers to two decimal places)
CL
Calculate the error bound (Round your answer to two decimal places)
Answers: 3
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Ngrid mixes 3.6 pounds of almonds with some raisins to make a trail mix. she divides the trail mix into 12 equal portions. each portion weighs 0.7 pound. how many pounds of raisins did she use to make the trail mix? express the answer to the nearest tenth.
Answers: 1
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Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5xΒ² +6
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White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.
Answers: 2
A sample of 20 heads of lettuce was selected. Assume that the population distribution of head weight...
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