Mathematics, 27.11.2019 22:31 YoVeoAnime
The american heart association is about to conduct an anti-smoking campaign and wants to know the fraction of americans over 41 who smoke. step 1 of 2: suppose a sample of 830 americans over 41 is drawn. of these people, 673 don't smoke. using the data, estimate the proportion of americans over 41 who smoke. enter your answer as a fraction or a decimal number rounded to three decimal places. step 2. suppose a sample of 830 americans over 41 is drawn. of these people, 673 don’t smoke. using the data, construct the 80% confidence interval for the population proportion of americans over 41 who smoke. lower bound: upper bound:
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Mathematics, 21.06.2019 17:30
Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x
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The american heart association is about to conduct an anti-smoking campaign and wants to know the fr...
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