Mathematics, 27.06.2019 20:40 baeethtsadia
The national assessment of educational progress (naep) is administered annually to 4th, 8th, and 12th graders in the united states. on the math assessment, a score above 275 is considered an indication that a student has the skills to balance a checkbook. believing that the true mean score is much higher, a researcher takes a random sample of 500 young men between the ages of 18 and 20 and calculates the mean naep math score of the sample to be 280. the standard deviation of math scores for the sample of young men was 25.what are the appropriate null and alternative hypotheses?
Answers: 1
Mathematics, 21.06.2019 18:30, myohmyohmy
Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.
Answers: 3
Mathematics, 22.06.2019 03:00, cerna
He letter p on the number line below represents the number . (use the hyphen for negative numbers and write answer as a decimal, such as –7.2) number line from negative 7 to positive 7 in increments of 0.5 is shown. only the whole numbers are labeled. a point labeled p is placed at the eleventh tick mark to the left of 0.
Answers: 3
Mathematics, 22.06.2019 04:00, abigailweeks10
Ahealth-food producer has 250 samples of a new snack to distribute in the mall. the producer has to keep at least 50 samples for display in the health food for the product launch. how long will the samples last if consumers are taking the samples at a rate of 25 every hour
Answers: 2
Mathematics, 22.06.2019 05:30, bigdramm409
Round the number to the hundredths place. 26,379.87492 a. 26,379.87 b. 26,379.88 c. 26,380 d. 26,400
Answers: 2
The national assessment of educational progress (naep) is administered annually to 4th, 8th, and 12t...
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