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How many observations should be included in a sample designed to estimate the average/mean number of hours spent watching television in the month of May if you want the estimate to deviate no more...

Hello,    my professor wants me to write about the characteristics of a sample of 20 out of a population of 220 items. Is this sample size large or small? How do we figure out if...

The Dr. Has ordered to add 5g of a Drug "V" to 1L NS. and infuse at a rate of 500mg/hour. The device delivers 15 gtt/ml. how many gtt/min. will the device need to be set to?

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