The manager of a city recreation center wants to estimate the percent of city residents who favor a proposal to build a new dog park. To gather data, the manager will select a random sample of city residents.

Which of the following is the most appropriate interval for the manager to use for such an estimate?

(Select A, B, C, or D)

A one-sample z-interval for a sample proportion

A
A one-sample z-interval for a population proportion

B
A one-sample z-interval for a difference between population proportions

C
A two-sample z-interval for a difference between sample proportions

D
A two-sample z-interval for a difference between population proportions

Pollution from a factory that produces cleaning products is an_

An artist entered into a written agreement to sell a patron a partially finished painting once it was complete. the patron later learned that the artist planned to sell the painting to a third party who offered to pay the artist more than the contract price. the patron filed suit to compel the artist to sell the painting to her in accord with the terms of their agreement, while the artist denied that the painting the artist planned to sell to the third party was the subject of the agreement with the patron. at trial, the patron did not introduce the written agreement or explain its absence. rather, the patron sought to testify that, when she signed the agreement, the artist had pointed to the painting in question and stated that it was the patron’s painting. the artist’s attorney objected to the testimony that the artist identified the painting as belonging to the patron. how should the court rule? asustain the objection, because the artist’s statement was hearsay. bsustain the objection, because the patron failed to produce the written agreement or explain its absence. coverrule the objection, because the statement is not hearsay. doverrule the objection, because the statement was relevant.

Why is the netherlands vulnerable to changes in climate? a. the netherlands is against nuclear power. b. forests in the netherlands have been destroyed by acid rain. c. the netherlands wrote the kyoto protocols. d. the netherlands is low-lying country, and rising sea levels may cause flooding.