Compute sigma xbar rounding number

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Consider Ho: 28 versus H1: =with a line drawn through it 28. A random sample of 36 observations taken from this population produced a sample mean of 24.76. The population is normally distributed with sigma = 9.

a. Compute sigma xbar rounding number to four decimal places

b. Compute z value. round to two decimal places

c. Find area to the left of z-value on the standard normal distribution. Round to 4 decimal places

d. Find p-value. round to 4 decimal places

Reference no: EM132195843

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