The signal from a certain satellite takes 0.06384 seconds to reach Earth. Estimate using scientific notation:

Arandom sample of 45 observations results in a sample mean of 68. the population standard deviation is known to be 23 a. compute the margin of error at a 959% confidence interval. b. compute the 95% confidence interval for the population mean c. compute the 90% confidence interval for the population mean. d. compute the 75% confidence interval for the population mean

Victoria created the scatterplot below based on the data in the table for the ages and heights of some teachers in her school. she wants to see if a teachers heigh depends on his or her age. what did she do wrong when she created the scatterplot

If the numbers below were ordered from least to greatest, which number could you use to replace the blank? 0.20,2/5 □ , 3/4,8/10