A business owner claims that the proportion of online orders is greater than 75%. To test this claim, the owner checks the next 1000 orders and determines that 700 orders are online orders. The following is the setup for this hypothesis test: H0:p=0.75 Ha:p>0.75 Find the test statistic for this hypothesis test for a proportion and round your answer to 2 decimal places.

Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. the design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 99% confidence interval estimate of μ, the mean duration of game play. 4028 4316 4816 4650 4036 5010 4833 4331 4307