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You are conducting a study to see if the accuracy rate for fingerprint identification is significantly less than 0.72. You use a significance level of α=0.02       H0:p=0.72       H1:p<0.72 You obtain a sample of size n=291n=291 in which there are 192 successes.

- November 14, 2022 - Edwin Tunner

You are conducting a study to see if the accuracy rate for fingerprint identification is significantly less than 0.72. You use a significance level of α=0.02

      H0:p=0.72
      H1:p<0.72

You obtain a sample of size n=291n=291 in which there are 192 successes.

What is the test statistic for this sample? (Report answer accurate to three decimal places.)
test statistic = 

What is the p-value for this sample? (Report answer accurate to four decimal places.)
p-value = 

The p-value is…

  • less than (or equal to) αα
  • greater than αα

This test statistic leads to a decision to…

  • reject the null
  • accept the null
  • fail to reject the null

As such, the final conclusion is that…

  • There is sufficient evidence to warrant rejection of the claim that the accuracy rate for fingerprint identification is less than 0.72.
  • There is not sufficient evidence to warrant rejection of the claim that the accuracy rate for fingerprint identification is less than 0.72.
  • The sample data support the claim that the accuracy rate for fingerprint identification is less than 0.72.
  • There is not sufficient sample evidence to support the claim that the accuracy rate for fingerprint identification is less than 0.72.
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