in a stop-and-wait arq system, the bandwidth of the line is 1 mbps, and 1 bit takes 10 ms to make a round trip. if the system data frames are 1000 bits in length, how long the time needs to send 10000 bits?( in ms)

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.