Mathematics, 26.08.2019 09:30 CrystalMoreno
Asample of 25 seniors from a large urban school district has a mean verbal sat score of 450. assume we know that the standard deviation of the population of verbal sat scores for seniors in the district is s=100. a 90% confidence interval for the mean score u for the population of seniors is used. which of the following will produce a confidence interval with a smaller margin of error?
a. using a confidence interval of 95%
b. using a sample of 100
c. using an upper critical value of 99%
d. using a sample of 15 seniors
e. using any sample size smaller than 25
Answers: 1
Mathematics, 21.06.2019 12:30, darrriannn7241
Cara earns a base pay of $1800 per month at a car dealership plus a commission of 6% of her sales. what are caras total earning in a month in which she sells $40000 worth of merchandise
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Mathematics, 21.06.2019 14:40, cassiemyers60
Given the statements, "a square root of 16 is 4," and "a square root of 9 is -3," complete the following blanks with the correct truth-values. p is and q is , so the statement, "a square root of 16 is 4 or a square root of 9 is -3" is .
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Mathematics, 22.06.2019 01:00, armonilucky11
Suppose m: angle a =77 degrees what is the measure of a complement of a complement of angle a, what is a conclusion you can draw about a complement of a complement of an angle
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Asample of 25 seniors from a large urban school district has a mean verbal sat score of 450. assume...
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