A survey of 20 randomly selected adult men showed that the mean time they spend per week watching sports on television is 9.94 hours with a standard deviation of 2.06 hours. Assuming that the time spent per week watching sports on television by all adult men is (approximately) normally distributed, construct a 90% confidence interval for the population mean, µ. Round your answers to two decimal places.

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A survey of 20 randomly selected adult men showed that the mean time they spend per week watching sports on television is 9.94 hours with a standard deviation of 2.06 hours.

Assuming that the time spent per week watching sports on television by all adult men is (approximately) normally distributed, construct a 90% confidence interval for the population mean, \( \mu \).

Round your answers to two decimal places.

- Lower bound: [Input Box]
- Upper bound: [Input Box]
Transcribed Image Text:A survey of 20 randomly selected adult men showed that the mean time they spend per week watching sports on television is 9.94 hours with a standard deviation of 2.06 hours. Assuming that the time spent per week watching sports on television by all adult men is (approximately) normally distributed, construct a 90% confidence interval for the population mean, \( \mu \). Round your answers to two decimal places. - Lower bound: [Input Box] - Upper bound: [Input Box]
A random sample of \( n = 16 \) mid-sized cars tested for fuel consumption gave a mean of \( \bar{x} = 20.01 \) miles per gallon with a standard deviation of \( s = 2.84 \) miles per gallon.

Assuming that the miles per gallon given by all mid-sized cars have a normal distribution, find a 99% confidence interval for the population mean, \( \mu \).

Round your answers to two decimal places.

\[ \text{[ ]} \leq \mu \leq \text{[ ]} \]
Transcribed Image Text:A random sample of \( n = 16 \) mid-sized cars tested for fuel consumption gave a mean of \( \bar{x} = 20.01 \) miles per gallon with a standard deviation of \( s = 2.84 \) miles per gallon. Assuming that the miles per gallon given by all mid-sized cars have a normal distribution, find a 99% confidence interval for the population mean, \( \mu \). Round your answers to two decimal places. \[ \text{[ ]} \leq \mu \leq \text{[ ]} \]
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