Mathematics, 03.02.2020 05:51 uc22912
The mean act test score reported by the college’s institutional research depart was 20.8, with a standard deviation of 4.8. if all possible random samples of size 169 are taken from this population, determine the following : (round all final answers to the nearest tenthousandth) a) name of the sampling distribution b) mean and standard error of the sampling distribution of the mean (use the correct name and symbol for each) c) percent of sample means for a sample of 169 college students that are greater than 21.8. d) probability that sample means for samples of size 169 fall between 19.3 and 22. e) below which sample mean can we expect to find the lowest 25% of all the sample means?
Answers: 3
Mathematics, 21.06.2019 19:10
Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?
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Mathematics, 21.06.2019 21:00
If a is a nonzero real number then the reciprocal of a is
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Mathematics, 21.06.2019 21:00
Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%
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Mathematics, 22.06.2019 00:30
Which number can each term of the equation be multiplied by to eliminate the decimals before solving? 5.6j- 0.12=4+1.1j
Answers: 3
The mean act test score reported by the college’s institutional research depart was 20.8, with a sta...
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