Mathematics
02.01.2023 20:01
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The number of young adult hikers in a country has steadily increased since 2010
The number of young adult hikers in a country has steadily increased since 2010 the equation y=0.89x+9.78 can be used to estimate the number of young adults participating in hiking in the country ,in millions ,x years after 2010 a.) estimate the number of young adult hikers in the country in 2017 ? B.) in what year will 18.8 million young adults participate in hiking in the country ?
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Marcus2935
4,7(69 marks)
The answer is "
".
Step-by-step explanation:
Point estimate = Sample proportion 
For 
confidence, 
Hence,
Margin of error
Therefore,
Confidence interval in the tri-equality form:
Confidence interval using point estimate and margin of error:
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