<Table> <Tr> <Td> C </Td> <Td> z * </Td> </Tr> <Tr> <Td> 99% </Td> <Td> 2.576 </Td> </Tr> <Tr> <Td> 98% </Td> <Td> 2.326 </Td> </Tr> <Tr> <Td> 95% </Td> <Td> 1.96 </Td> </Tr> <Tr> <Td> 90% </Td> <Td> 1.645 </Td> </Tr> </Table> <Tr> <Td> C </Td> <Td> z * </Td> </Tr> <Tr> <Td> 99% </Td> <Td> 2.576 </Td> </Tr> <Tr> <Td> 98% </Td> <Td> 2.326 </Td> </Tr>

What does it mean to be 95 confident in statistics