, 05.06.2022 04:10 alexusjones6042

# The volleyball coach at a large high school wants to estimate the number of times players spike the ball during anygiven game. She randomly selects 30 games and records the number of spikes. The coach constructs a 95% confidence interval for the true mean number of spikes players make in a game. Which of the following would decrease the margin of error? O using a sample of size 15 O using a sample of size 25 O constructing a 90% confidence interval O constructing a 99% confidence interval

### Another question on Mathematics

Mathematics, 21.06.2019 15:00
Select the correct answer from each drop-down menu. rewrite the formula to find voltage. the formula for electrical power (p, in watts) is where v is the voltage in volts and r is the resistance in ohms. for a particular brand of water heater, r is 32 ohms and p is 0.5 watts. the formula to find v is , and the voltage at which the heater operates is volts.
Mathematics, 21.06.2019 15:40
Sara needs to take a taxi to get to the movies the taxi charges \$4.00 for the first mile and then \$2.75 for each mile after that if the total charge is \$20.50 then how far was sara’s taxi ride to the movie