chapter5_answers_extra - Probability Chapter 5 Extra Problems census data say that the prevalence of cervical cancer is 0.2 5.16 new data show that out

# chapter5_answers_extra - Probability Chapter 5 Extra...

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Probability - Chapter 5 - Extra Problemscensus data say that the prevalence of cervical cancer is 0.2%5.16new data show that out of 100,000 women, 100 havecervical cancer ... is the new data consistent with the censusdata?
5.21what proportion of people have a cholesterol level that warrants treatment, 250+first standardize the value 250, calculate a z-score determininghow many standard deviations 250 is above the mean of 219 ...subtract the population mean from 250 and divide by thestandard deviation ...(250 - 219) / 50 = 31 / 50 = 0.62you can now find the value in column B in Table 3 of theappendix that corresponds to x = 0.62 ... the values in column Bcorrespond to the area under the normal distribution curvegreater than 0.62 ...

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