ABC Incorporated Wants to Find Out the Proportion of Customers

Multiple Choice

ABC Incorporated wants to find out the proportion of customers who would purchase their new product.They have decided to take a modest sample, look at the results, and then decide if more information, in the form of a larger sample, is needed.ABC is using

A) simple random sampling.
B) biased random sampling.
C) stratified sampling.
D) sequential sampling.
E) none of the above.
Use the following information for questions 15 through 17
A soap factory produces 500-pound boxes of soap for industries.However, the weight of the boxes varies somewhat due to the process.Assume that the weight of each box is distributed normally with
Mean == 500 pounds variance =11efcb99_9ab1_2495_b057_c73ffb27937d_TB7490_00² = 25 pounds²
Quality control takes a random sample of 25 boxes per day.Let the weight of these boxes be denoted as X₁, X₂, ..., X₂₅.