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24 March, 03:51

the claim that 20% of americans know their credit score is tested. suppose that the sample evidence causes us to fail to reject the null hypothesis claim that 20% of americans know their credit score. state the final conclusion in simple non technical terms

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  1. 24 March, 06:04
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    Conclusion : People ≠ 20% don't know about their credit score.

    Step-by-step explanation:

    Hypothesis is testing a statement for its statistical significance.

    Null Hypothesis (H0) implies 'no difference from tested value', Alternate hypothesis (H1) implies 'significant difference from tested value'

    Let % of people knowing their credit score = CS

    H0 : CS = 20

    H1 : CS ≠ 20

    If the null hypothesis is rejected, it implies that we reject the claim that CS i. e '% of americans knowing their credit score = 20%'. So, the alternate hypothesis is accepted, i. e we conclude that '% americans knowing their credit score ≠ 20%'.
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