1. A population random variable X has mean LaTeX: \mu=10μ = 10 and standard deviation LaTeX:...

1. A population random variable X has mean LaTeX: \mu=10μ = 10 and standard deviation LaTeX: \sigma=5σ = 5. Samples of size 36 are drawn with replacement. Find the probability that the sample mean LaTeX: \overline{X}X ¯ will be between 6.5 and 14, inclusive?

2. 52 percent of the voting population of a city favor candidate A for mayor. What is the probability that more than 51 percent will favor A in a random sample 50 voters from the city?

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orchestra answered 1 year ago

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1. A population random variable X has mean LaTeX: \mu=10μ = 10 and standard deviation LaTeX:...

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A random variable, X, has a population mean, µ = 155, and a population standard deviation,...

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