Mathematics, 18.05.2021 19:00 218219
5. The Graduate Record Examination (GRE) is a test required for admission to many U. S. graduate
schools. Students' scores on the quantitative portion of the GRE follow a normal distribution with mean
150 and standard deviation 8.8. (Source: www. ets. org.) Suppose n = 16 randomly selected students take
the GRE on the same day.
-) a. What is the probability that one randomly selected student scores above 147 on the quantitative portion
of the GRE?
b. Describe the sampling distribution of the sample mean for the quantitative GRE scores for the 16
students.
c. What is the probability that a random sample of 16 students has a mean score on the quantitative
portion of the GRE that is less than 147?
d. What is the probability that a random sample of 16 students has a mean score on the quantitative
portion of the GRE that is greater than 147?'
Answers: 2
Mathematics, 21.06.2019 16:00, devenairefp85xfg
Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry
Answers: 3
Mathematics, 22.06.2019 07:00, hncriciacheichi
If you reflect any shape across the x-axis and then across the y-axis, do you get the same result that you would if you rotated it 180° about the origin? what does that mean?
Answers: 1
5. The Graduate Record Examination (GRE) is a test required for admission to many U. S. graduate
sc...
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