Question

You are conducting a study to see if the accuracy rate for fingerprint identification is significantly less than 0.8. You use a significance level of α=0.002α=0.002.

      H0:p=0.8H0:p=0.8
      H1:p<0.8H1:p<0.8

You obtain a sample of size n=713n=713 in which there are 544 successes.

What is the test statistic for this sample?
test statistic = (Report answer accurate to 3 decimal places.)

What is the p-value for this sample?
p-value = (Report answer accurate to 4 decimal places.)

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 0.8.
• There is not sufficient evidence to warrant rejection of the claim that the accuracy rate for fingerprint identification is less than 0.8.
• The sample data support the claim that the accuracy rate for fingerprint identification is less than 0.8.
• There is not sufficient sample evidence to support the claim that the accuracy rate for fingerprint identification is less than 0.8.

Answer 1

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