MATHEMATICS · Multi-part · AP · AP Statistics · Probability Random Variables Distributions · Probability Random Variables Distributions
Problem
During a day’s production, a factory manufactured some pens. When the quality inspector examined the entire lot, exactly 40 pens were found to be defective. The probability that a pen chosen at random from this shipment is defective is reported to be 0.08.
(i) If the total number of pens produced that day is N, write an expression for the given probability in terms of N.
(ii) Solve for N.
(iii) Find the number of non-defective pens in the shipment.