Question

Help Please!

Answer 1

The scores on a standardized test are normally distributed with a mean of 500 and a standard deviation of 100. Suppose 6000 students took the test. Approximately how many students scored above 490?

Answer 2

A. 5048
B. 3239
C. 2761
D. 952

Answer 3

hey approximately it's b

Answer 4

why?

Answer 5

well cuz from the area under the curve right of -0.10 from is .5398.
So u should expect .5398(6000)=3,239 and it's about 490

Answer 6

ok

Answer 7

yep

Answer 8

can you help me in another one?