there are 8 men and 8 women on a tennis team

a) if one man and one women are selected to play a tournament, how many man-woman combinations are there?

b) using a reduced fraction, if both men and women are ranked 1-8 for each gender what is the probability that the selected two will be the same rank?

how many was can the letters in the word 'success' be arranged?

if you were to toss a coin 3 times. let x be defined as 'the number of heads', use decimals.

a) complete a probability distribution table

b) what is the mean?

c)what is the variance?

d)what is the standard deviation?