A
professional
Basketball
player
scores
a
three-­‐point
shot
with
probability
0.8,
and
hence
misses
with
probability
0.2.
He
shoots
four
times.
(a)
What
is
the
probability
that
the
player
hits
exactly
two
three-­‐point
shots?
(b)
What
is
the
probability
that
he
hits
at
least
two
three-­‐point
shots?
3.

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