A study finds that the carapace length of an adult spider is normally distributed with a mean of 16.22 mm and a standard deviation of 1.88 mm. Let x denote carapace length for the adult spider. m a....

Extracted text: A study finds that the carapace length of an adult spider is normally distributed with a mean of 16.22 mm and a standard deviation of 1.88 mm. Let x denote carapace length for the adult spider. m a. Sketch the distribution of the variable x. Choose the correct graph below. OA. OB. Oc. 1 12 16.22 20 22 b. Obtain the standardized version, z, of x. Choose the correct standardized version below. OA. (z-1.88) OB. (x-1.88) 16.22 16.22 Oc. (x- 16.22) OD. (z- 16.22) 1.88 1.88 c. Identify and sketch the distribution of z. Choose the correct graph below. OA. OB. 11 12