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answerhappygod
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1a) 1b)

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When 485 college students were surveyed, 200 said they own their car. Find a point estimate for p, the population proportion of students who own their cars. O A. 0.588 OB. 0.412 OC. 0.292 OD. 0.702

Construct a 95% confidence interval for the population mean, pl. Assume the population has a normal distribution. A random sample of 16 fluorescent light bulbs has a mean life of 645 hours with a standard deviation of 31 hours D O A. (321.7,365.8) OB. (876.2,981.5) O C. (628.5,661.5) OD. (531.2,612.9)
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