Acredit card company has found that 0.1% of all transactions are fraudulent. it has developed a computer program that correctly identifies whether a transaction is fraudulent or not 99% of the time. if the program scans 5,000,000 transactions, about how many of them will it identify as fraudulent?
a) 4949
b) 4950
c) 4951
d) 4952

Here are the 30 best lifetime baseball batting averages of all time, arranged in order from lowest to highest: 0.319, 0.329, 0.330, 0.331, 0.331, 0.333, 0.333, 0.333, 0.334, 0.334, 0.334, 0.336, 0.337, 0.338, 0.338, 0.338, 0.340, 0.340, 0.341, 0.341, 0.342, 0.342, 0.342, 0.344, 0.344, 0.345, 0.346, 0.349, 0.358, 0.366 if you were to build a histogram of these data, which of the following would be the best choice of classes?