Find the indicated area under the curve of the standard normal​ distribution, then convert it to a percentage and fill in the blank. about​ % of the area is between zequalsnegative 2.2 and zequals2.2 ​(or within 2.2 standard deviations of the​ mean).

d (5 x (-20)) * (100 x (0.7))

step-by-step explanation:

5÷1/100 * -.7 *-20

copy dot flip

5*100 * -.7 *-20

rearrange

5*-20   * 100 *-.7

-100   *-70

7000

because 1.2 isnt half of 6 duh

the entire expression should be subtracted from 30. to subtract the quantity, distribute the negative sign, which changes the signs on the terms. so, the –2 changes to positive and gets added to 30 instead of subtracted from it.

hope this ! ^w^

heyyy

step-by-step explanation: