Question

The scores on a science test were normally distributed with a mean of 83 and a standard deviation of 4 what percent of the students scored above80 on the test

Answer 1

about 23

about 73 about 77 about 81

Answer 2

@texaschic101

Answer 3

@Michele_Laino

Answer 4

@texaschic101

Answer 5

want these hands mate?

Answer 6

@Luigi0210

Answer 7

@welshfella

Answer 8

@misty1212

Answer 9

i really don't know statistics, but maybe we can do it

Answer 10

this is statistics

Answer 11

see you know something about it

Answer 12

hint:
we have to use the table of the erf function

Answer 13

this is normal distribution

Answer 14

wait nvm

Answer 15

we can cheat for sure

Answer 16

put in the values here
http://stattrek.com/online-calculator/normal.aspx

Answer 17

we have to know that area