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QUESTION
The 5 year survival rate in the US for women with breast cancer was 90.6% in 2008. A researcher wants to evaluate whether or not the survival rate...
The 5 year survival rate in the US for women with breast cancer was 90.6% in 2008. A researcher wants to evaluate whether or not the survival rate has significantly increased since then. He selects a sample of 100 women diagnosed with breast cancer in 2012, and finds that 93 were still alive in 2017.
- Identify the critical value. I got 1.28
- Calculate the test statistic. I got .0082
Are my answers correct? If so, does this reject the null hypothesis?
