Use the Following Sample Sizes and Numbers of Successes for the Next

question 13

Short Answer

Use the following sample sizes and numbers of successes for the next questions.
Medical researchers reviewing the risk of death for elderly patients taking
dementia drugs found the following data. Assume a .05 significance level for
testing the claim that the proportions are not equal. Also, assume the two simple
random samples are independent and that the conditions are
satisfied.
-Find the pooled estimate .

---

Definitions:

Risky Shift

The tendency for a group decision to be riskier than the average decision made by the individual group members.

Riskier

Describes actions or situations that involve a greater likelihood of leading to harm or loss.

Group Decision

The process through which two or more individuals come to a conclusion or resolve an issue collaboratively.

Crowdsourcing

A method of obtaining ideas, services, or content by soliciting contributions from a large group of people, typically from an online community.