#50 A Quality Control expert wants to estimate the proportion of defective components that are being manufactured by his company example of 300 components of that 20 were defective how large of a sample is needed to estimate that your portion out effective component to it into profile percentage points with 99% confidence?

A) 663
B) 540
C) 1540
D) 6
E) 2663

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?