Mathematics, 04.12.2020 22:30 julih74
4. The SAT is an exam used by colleges and universities to evaluate undergraduate applicants.
The test scores are normally distributed. In a recent year, the mean test score was 1518 and the
standard deviation was 308. The test scores of four students selected at random were 1406,
1848, 2177, and 1186.
Answers: 3
Mathematics, 21.06.2019 14:00
Find the area of a trapezoid with bases 14 cm and 18 cm and height 10 cm. 160 cm2 140 cm2 180 cm2 126 cm2
Answers: 3
Mathematics, 21.06.2019 16:00
Find the greatest common factor of the polynomial: 10x^5+15x^4-25x^3 10x^5 x^3 5x^3 5
Answers: 2
Mathematics, 21.06.2019 16:30
An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.
Answers: 2
Mathematics, 21.06.2019 20:40
What are the values of each variable in the diagram below?
Answers: 2
4. The SAT is an exam used by colleges and universities to evaluate undergraduate applicants.
The t...
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