How long would it take to transfer an 8kb block on a 15000 rpm disk with a 2ms avarage seek time, 1gb/sec transfer rate with a 1.ms controller overhead

An environmental protection agency study of 12 automobiles revealed a correlation of 0.47 between engine size and emissions. at 0.01 significance level, can we conclude that there is a positive association between the variables? what is the p value? interpret.

The “tab” key can a. create extra cells in a word table *b. move from cell to cell in a word table c. move from the top of a column to the bottom of a column in a word table d. none of the above a. none of these answers are correct b. move from cell to cell in a word table c. move from the top of a column to the bottom of a column in a word table d. create extra cells in a word table

Which of the following methods could be considered a “best practice” in terms of informing respondents how their answers to an on-line survey about personal information will be protected? the investigator uses the informed consent process to explain how respondent data will be transmitted from the website to his encrypted database without ever recording respondents’ ip addresses, but explains that on the internet confidentiality cannot be absolutely guaranteed. respondents are informed that investigators will try to keep their participation confidential; however, confidentiality cannot be assured. the investigator uses the informed consent process to explain her institution’s method for guaranteeing absolute confidentiality of research data. respondents are informed that a research assistant will transfer all the research data to a password-protected computer that is not connected to the internet, via a usb flashdrive. the computer is located in a research team member’s office.