Customer ID Transaction ID Items Bought 0001 {a, d, e} 0024 {a, b, c, e} 0012 {a, b, d, e} 0031 {a, c, d, e} 0015 {b, c, e} CT OT A A CO OO N N H H 0022 {b, d, e} 0029 {c, d} 0040 {a, b, c] 0033 {a, d, e} 0038 {a, b, e} (a) Compute the support for itemsets {e}, {b, d}, and {b, d, e} by treating each transaction ID as a market basket. (b) Use the results in part (a) to compute the confidence for the associa- tion rules {b, d} -> {e} and {e} -> {b, d}. Is confidence a symmetric measure