1.A sample of192 randomly selected students, found that the proportion of students planning to travel home for thanksgiving is 0.69. What is the standard deviation of the sample distribution? round to 3 decimal digits.

2.how many sequences of 3 things can be formed from 8 different things with replacement and order is important?

There are Y ways the first

draw can occur. For each of the Y ways the first draw can occur, there are Y

ways the second draw can occur, resulting in Y times Y or Y² sequences. for each of the Y²

sequences formed from 2 draws, there are Y ways the 3rd draw can occur forming Y³ sequences.