Aradio disc jockey has 8 songs on this upcoming hour's playlist: 2 are rock songs, 3 are reggae songs, and 3 are country songs. the disc jokcey randomly chooses the first song to play, and then she randomly chooses the second song from the remaining ones. what is the probability that the first song is a rock song and the second is a country song?

What is the correlation coefficient for the data? don't forget to turn the diagnoisticon (in the catalog menu of the calculator). r = answer (round to the nearest thousandth)

In the 30-60-90 triangle below side s has a length of and side r has a length

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.