Empirical rule. States that, in a normal distribution, about 68% of the terms are within one standard deviation of the mean, about 95% are within two standard deviations, and about 99.7% are within three standard deviations (normal curve). Lurking Variable.
Since then, thanks to an additional boost from TLC, the Duggarsâ net worth has grown to an estimated $3.5 million. Although we canât all have lucrative reality TV contracts, most of us can learn a few things from the Duggarsâ money philosophyâ¦.
Dave Mirra net worth: $15 Million. Dave Mirra net worth: Dave Mirra is an American bicycle motocross athlete, rally car driver, and businessman who has a net worth of $15 million. Mirra was born in Chittenango, New York in April 1974. He formerly held the record for winning the most X-Games medals.