Question

The grades on the last history exam had a mean of 80%. Assume the population of grades on history exams is known to be normally distributed with a standard deviation of 5. What percent of students earn a score between 70% and 80%?

Answer 1

c: Im no help

Answer 2

>_> lmao thanks

Answer 3

c: No problem

Answer 4

>_< it sucks because I know i can do it because it was last unit, i just cant rememberrr

Answer 5

LOL reread last unit?

Answer 6

O_O forget that

Answer 7

lol

Answer 8

¯\_(ツ)_/¯

Answer 9

(╯°□°）╯︵ ┻━┻

Answer 10

ಠ_ಠ No

Answer 11

(╯°□°）╯︵ ┻━┻(╯°□°）╯︵ ┻━┻(╯°□°）╯︵ ┻━┻(╯°□°）╯︵ ┻━┻(╯°□°）╯︵ ┻━┻(╯°□°）╯︵ ┻━┻(╯°□°）╯︵ ┻━┻(╯°□°）╯︵ ┻━┻(╯°□°）╯︵ ┻━┻(╯°□°）╯︵ ┻━┻(╯°□°）╯︵ ┻━┻(╯°□°）╯︵ ┻━┻(╯°□°）╯︵ ┻━┻(╯°□°）╯︵ ┻━┻(╯°□°）╯︵ ┻━┻(╯°□°）╯︵ ┻━┻(╯°□°）╯︵ ┻━┻(╯°□°）╯︵ ┻━┻(╯°□°）╯︵ ┻━┻(╯°□°）╯︵ ┻━┻

Answer 12

ಠ╭╮ಠ

Answer 13

┻━┻ ︵ヽ(`Д´)ﾉ︵ ┻━┻ Flutter the free world!!!

Answer 14

┬─┬ノ( º _ ºノ)

Answer 15

[̲̅$̲̅(̲̅5̲̅)̲̅$̲̅] ヾ(⌐■_■)ノ♪

Answer 16

LOL

Answer 17

Exactly

Answer 18

So i have a feeling i'm not gonna get help on this one >o>

Answer 19

Nope C;

Answer 20

no but ima kep talking in here