The random variable Xis normally distributed. Also, it is known that AX> 197) 004. [You may find it useful to reference the z.table.] a. Find the population mean uif the population standard deviation o-20. (Round " value to 3 decimal places and final answer to 2 decimal places.) Mean b. Find the population mean uif the population standard deviation a 34. (Round " value to 3 decimal places and final answer to 2 decimal places.) Mean c. Find the population standard deviation a if the population meanu 180. (Round " value to 3 decimal places and final answer to 2 decimal places.) Standard deviation

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The random variable Xis normally distributed. Also, it is known that AX> 197) = 004. [You may find it useful to reference the z.table.)
a. Find the population mean uif the population standard deviation o- 20. (Round "z" value to 3 decimal places and final answer to 2
decimal places.)
Mean
b. Find the population mean uif the population standard deviation a- 34. (Round "z value to 3 decimal places and final answer to 2
decimal places.)
Mean
c. Find the population standard deviation a if the population mean u- 180. (Round " value to 3 decimal places and final answer to
2 decimal places.)
Standard deviation
Transcribed Image Text:The random variable Xis normally distributed. Also, it is known that AX> 197) = 004. [You may find it useful to reference the z.table.) a. Find the population mean uif the population standard deviation o- 20. (Round "z" value to 3 decimal places and final answer to 2 decimal places.) Mean b. Find the population mean uif the population standard deviation a- 34. (Round "z value to 3 decimal places and final answer to 2 decimal places.) Mean c. Find the population standard deviation a if the population mean u- 180. (Round " value to 3 decimal places and final answer to 2 decimal places.) Standard deviation
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