Define the following sample spaces. define notations as necessary. i. number of black hole mergers detected since ligo openedii. time (in days) until ligo observes the first black hole merger(b)[3 pts]what type of variables are the following?

i. the cause of the gravitational waves observed, which can be either a black hole or aneutron star merger
ii. number of gravitational wave detections observed
iii. time (in days) until ligo first detects a gravity wave signal.

Interpreting the income tax expense footnote the income tax footnote to the financial statements of fedex corporation follows. the components of the provision for income taxes for the years ended may 31 were as follows: ($ millions) 2010 2009 2008 current provision domestic federal $ 36 $ (35) $ 514 state and local 54 18 74 foreign 207 214 242 297 197 830 deferred provisions (benefit) domestic federal 408 327 31 state and local 15 48 (2) foreign (10) 7 32 413 382 61 provision for income taxes $ 710 $ 579 $ 891 (a)what is the amount of income tax expense reported in fedex's 2010, 2009, and 2008 income statements?