If the foot length of women follows a normal distributio with a mean of 23 cm, and 81.5% have a foot length between 20 cm and 29 cm, what is your estimate of the standard deviation of the lengths in this population? A. 2.25cm
B. 3cm
C. 4.5cm
D. 9cm

nope.   happens to me as well.

-aparri

step-by-step explanation:

4  

25

5258y

54.

t5

5r

54

5856

542

5458

86

.8558.65

565

565

55898

786

8/95

5896

8656265

556478

hi there!

question 1 answer: p/q can be terminating when q = 5^m * 2^n

question 2 answer: -1 and -1

question 3 answer: -4

question 4 answer: 5/12

hope this : )