You obtain a Pvalue of 0072 Which statement is TRUE A certai


You obtain a P-value of 0.072. Which statement is TRUE?

A certain population follows a Normal distribution, with mean and standard deviation = 2.5. You collect data and test the hypotheses

H0: = 1, Ha: \"q31-1.png\" 1


You obtain a P-value of 0.072. Which statement is TRUE?

A 95% confidence interval for will exclude the value 1.
A 95% confidence interval for will include the value 0.
A 90% confidence interval for will exclude the value 1.
A 90% confidence interval for will include the value 0.

Solution

if P-value is greater than alpha / 2 that for each case alpha / 2 calculate is

1 - 0.95 = 0.05 / 2 = 0.025

1 - 0.90 = 0.10 / 2 = 0.05

then we fail to reject Ho

but if P-value is less than alpha/2 then we reject Ho

TRUE STATEMENT...

A 95% confidence interval for will exclude the value 1.

 You obtain a P-value of 0.072. Which statement is TRUE? A certain population follows a Normal distribution, with mean and standard deviation = 2.5. You collect

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