Mathematics, 30.11.2019 06:31 smokey19
Apew internet poll asked cell phone owners about how they used their cell phones. one question asked whether or not during the past 30 days they had used their phone while in a store to call a friend or family member for advice about a purchase they were considering. the poll surveyed 1024 adults living in the united states by telephone. of these, 471 responded that they had used their cell phone while in a store within the last 30 days to call a friend or family member for advice about a purchase they were considering. (a) find (plusminus 0.0001) se_p the sample proportion, the standard error of the sample proportion, and the margin of error for 95% confidence. p = se_p = m = (b) find the 95% large-sample confidence interval (plusminus 0.001) for the population proportion, the 95% large-sample confidence interval is from to
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Mathematics, 21.06.2019 20:30
Select all the expressions that will include a remainder.
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Mathematics, 21.06.2019 20:30
Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.
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Mathematics, 21.06.2019 21:00
The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?
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Mathematics, 21.06.2019 21:40
Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.
Answers: 1
Apew internet poll asked cell phone owners about how they used their cell phones. one question asked...
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