Mathematics, 12.10.2019 20:30 rainbowboi
in a study of 225 adults, the average heart rate was 72 beats per minute. assume the population of heart rates is known to be approximately normal, with a standard
deviation of 10 beats per minute. what does a margin of error of 1.1 for the 90% confidence interval of the average beats per minute mean?
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Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.
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In a city, 6th and 7th avenues are parallel and the corner that the pizza palace is on is a 54° angle. what is the measure of the angle that is made with 7th ave and broadway on the corner of the shake hut?
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Ty received 3/5 of his cds as gifts. if he has 60 cds, how many were gifts. explain:
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in a study of 225 adults, the average heart rate was 72 beats per minute. assume the population of h...
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