Mathematics, 17.07.2020 20:01 AngelyAce
A random sample of 145 students is chosen from a population of 4,250 students. The mean IQ in the sample is 130, with a standard deviation of 7. Using a margin of error of 0.95%, what is the 90% confidence interval for the students' mean IQ score?
Answers: 3
Mathematics, 21.06.2019 21:30
Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?
Answers: 1
Mathematics, 21.06.2019 22:00
Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?
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Mathematics, 21.06.2019 22:30
There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?
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A random sample of 145 students is chosen from a population of 4,250 students. The mean IQ in the sa...
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