Mathematics, 29.04.2021 22:50, TJxx187
The Program for International Student Assessment (PISA) conducts test in mathematics in countries throughout the world. For 15-yer-olds in all developed countries, the scores in 2012 were normally distributed with a mean of 494 and a standard deviation of 92.
If there were 5,000 students who took the test, how many scored between 310 and 494?
a
2492.5
b
47.5
c
2375
d
49.85
Answers: 3
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 21:40, Fangflora3
The sides of a parallelogram are 24cm and 16cm. the distance between the 24cm sides is 8 cm. find the distance between the 16cm sides
Answers: 3
Mathematics, 22.06.2019 05:30, Juancr4539
Ys is the perpendicular bisector of xz what it is the length of xs
Answers: 2
Mathematics, 22.06.2019 06:30, diamontehunter1632
After college gerald wants to take a graduation trip to china. he wants to save $4,000 for his trip in four years. about how much does gerald have to save each month if his savings earns 7% interest compounded monthly?
Answers: 1
Do you know the correct answer?
The Program for International Student Assessment (PISA) conducts test in mathematics in countries th...
Questions in other subjects:
Social Studies, 16.11.2020 17:00
