What is the probability that no more than one piece has nuts?

Allowance for Doubtful Accounts on the balance sheet

A. increases the net realizable value of accounts receivable B. is offset against total current assets C. is a contra-account to accounts receivable D. appears under the heading "Other Assets"

Which guideline for deciding on the number of MDS dimensions suggests plotting stress versus dimensionality?

A) a priori knowledge B) interpretability of the spatial map C) ease of use D) elbow criterion