One Sample Interval for a Proportion and Sample Size Worksheet with Answer Key

What's on the worksheet

1. Housing inspectors in a city of about 64,000 rental apartments visit a simple random sample of 400 apartments and find that 296 have a working smoke…
2. Find the smallest sample size that gives a margin of error no larger than m at the stated level, using the planning guess p^* given ("none" means no…
   95\%,\ m = 0.04,\ \text{none}90\%,\ m = 0.035,\ p^* = 0.3099\%,\ m = 0.05,\ \text{none}95\%,\ m = 0.02,\ p^* = 0.12
3. Marine biologists capture a random sample of 360 adult horseshoe crabs from a large bay, whose adult population is in the hundreds of thousands, and…
4. A cruise line carried about 250,000 passengers last year.
5. A state has about 12,000 small farms.