6. A poll of 80 students selected at random at Midtown University found that 20 were in favor of a fee increase to support extra maintenance of gardens on campus. In the example, the sample proportion is: 0.08 O 0.8 0.25 0.2

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A: p1 = 49/250 = 0.196 p4 = 81/250 = 0.336

Q: 2. A sample of

A:

Q: 4- A florist is interested in the proportion of her clients that prefer roses in their flower…

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A: As per the question we have No of people who watch comedy show x = 250 Sample size (n) = 400

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Q: a. Compute the mean of the following sample values: 5, 9, 4, 10. b. Show that E(x - X) = 0, %3D 3.

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Q: 7. ( ) Suppose that, in a suburb of 12,235 people, 6,418 people moved there within the last five…

A: Formula : * Population proportion  p = X/N *sample proportion p̂= x/n

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Q: Suppose you have the following information on whether households have a landline phone or not,…

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Q: 17. A company is interested in evaluating its current inspection procedure on shipments of 50…

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