Answer to Question #253115 in Statistics and Probability for Eric

Question

Jessica conducted a survey using a representative sample of 50 customers from three local landscaping businesses in town. She found that 30% purchased maple trees, 24% purchased dogwoods, 20% purchased oaks, 16% purchased pines and 10% chose other types of trees.

Which statements about the survey that Jessica conducted are most likely to be true? Select all that apply.

• Jessica surveyed only the customers who purchased a tree.

• Jessica asked customers what type of tree they purchased.

• Jessica asked customers what type of plants they have in their yards.

• The sample consists of 50 customers from three local landscaping businesses in town.

• The population Jessica wants to know about consists of any customer of any landscaping business

Answer 1

Jessica asked customers about trees they bought, but not about plants they have in their yards. So, variant C is NOT right.

Jessica asked only customers from three local landscaping businesses in town, not all landscaping businesses. So, variant E is NOT right.

Variants A, B, and D correspond to the problem.