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Lecture

MATH 1P98: Confidence Intervals and Proportions

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Department
Mathematics
Course
MATH 1P98
Professor
Dot Miners
Semester
Fall

Description
Confidence intervals & proportions p1q̂1+̂q2 2 Margin of error: E = zc √ n n 1 2 Hypothesis testing Ex: A car manufacturer states that its new model gets 78mi/gal Let µ be the mean gas mileage for this car. Manufacturer may overvalue car. The claim µ = 47 is called the Null Hypothesis. (0 : µ = 47) If I reject the null hypothesis, I need a claim to accept; the Alternate Hypothesis. Alternate hypothesis is that µ < 47. 1H : µ < 47) Types of tests Left tailed: i1 H states that the parameter is less than the va
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