7. For each random variable defined here, describe the set of possible values for the variable, and state whether the variable is discrete.

a. X
the number of unbroken eggs in a randomly chosen standard egg carton

b. Y
the number of students on a class list for a particular course who are absent on the first day of classes

c. U
the number of times a duffer has to swing at a golf ball before hitting it

d. X
the length of a randomly selected rattlesnake

e. Z
the amount of royalties earned from the sale of a first edition of 10,000 textbooks

f. Y
the pH of a randomly chosen soil sample g. X
the tension (psi) at which a randomly selected tennis racket has been strung h. X
the total number of coin tosses required for three individuals to obtain a match (HHH or TTT )