You are conducting a study to see if the proportion of women over 40 who regularly have mammograms is significantly less than 0.39. You use a significance level of α=0.10. H0:p=0.39 H1:p


You are conducting a study to see if the proportion of women over 40 who regularly have mammograms is significantly less than 0.39. You use a significance level of α=0.10.


      H0:p=0.39
      H1:p<>


You obtain a sample of size n=131n=131 in which there are 36 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 proportion of women over 40 who regularly have mammograms is less than 0.39.

  • There is not sufficient evidence to warrant rejection of the claim that the proportion of women over 40 who regularly have mammograms is less than 0.39.

  • The sample data support the claim that the proportion of women over 40 who regularly have mammograms is less than 0.39.

  • There is not sufficient sample evidence to support the claim that the proportion of women over 40 who regularly have mammograms is less than 0.39.




Jun 09, 2022
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