Is Your Friend A Good Free Throw Shooter?

Two Tailed 1 Proportion z-Tests

Learning Targets

Perform a one- or two-tailed one proportion z-test.
Check the conditions for using a Normal model (Success/Failure Condition) with the hypothesized proportions rather than with the observed proportions.
Calculate the standardized test statistic and p-value for a test about a population proportion.

Classwork

Extension

Choose one or both of the following to read or listen to
- Listen to the episode on Science Friday about the p-value
- Nearly 100 scientists spent 2 months on Google Docs to redefine the p-value. Here’s what they came up with

Consider the answers to these questions while listening:

Why do scientists want to "update" the p-value?Where did the value 0.05 come from?What change do they propose?How do they propose this happens?

Practice: 20.1 One Proportion z-Test Practice
- Check your answers with the answer key

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