Sam computed a 90% confidence interval for μ from a specific random sample of size n. he claims that at the 90% confidence level, his confidence interval contains μ. is this claim correct? explain.

Given that Sam computed a 90% confidence interval for μ from a specific random sample of size n. He claims that at the 90% confidence level, his confidence interval contains μ.

Yes, Sam’s claim is correct as a confidence interval has the meaning that a % likelihood exists the population mean is within the interval.

Od. 130 degrees because if you add them together you get the 130

Answer d; a supplementary angle = 180°, so if that angle = 150°, y would = 30°.