Answered

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The mother of a teenager has heard a claim that 23​% of teenagers who drive and use a cell phone reported texting while driving. She thinks that this rate is too high and wants to test the hypothesis that fewer than 23​% of these drivers have texted while driving. Her alternative hypothesis is that the percentage of teenagers who have texted when driving is less than

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Answer:

H1 : p < 0.23

Step-by-step explanation:

The parameter percentage Given in the scenario above is 23%;

Proportion = 23/100 = 0.23

The null hypothesis ; H0 will support the claim ; Hence, H0 is expressed as ;

H0 : p = 0.23

Thw alternative hypothesis ; will negative the claim of the null hypothesis ; Hence, H1 will be ;

H1 : p < 0.23

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