# Question: Consider a one mean z test Denote z0 as the observed value

Consider a one-mean z-test. Denote z0 as the observed value of the test statistic z. If the test is right tailed, then the P-value can be expressed as P(z ≥ z0). Determine the corresponding expression for the P-value if the test is

a. Left tailed.

b. Two tailed.

a. Left tailed.

b. Two tailed.

## Answer to relevant Questions

The symbol ɸ is often used to denote the area under the standard normal curve that lies to the left of a specified value of z. Consider a one-mean z-test. Denote z0 as the observed value of the test statistic z. Express the ...x-bar = 20, n = 32, σ = 4, H0: μ = 22, Ha: μ < 22 We have provided a sample mean, sample size, and population standard deviation. In each case, use the one-mean z-test to perform the required hypothesis test at the 5% ...Cadmium, a heavy metal, is toxic to animals. Mushrooms, however, are able to absorb and accumulate cadmium at high concentrations. The Czech and Slovak governments have set a safety limit for cadmium in dry vegetables at 0.5 ...The daily charges, in dollars, for a sample of 15 hotels and motels operating in South Carolina are provided on the WeissStats CD. The data were found in the report South Carolina Statistical Abstract, sponsored by the South ...According to the Bureau of Crime Statistics and Research of Australia, as reported on Lawlink, the mean length of imprisonment for motor-vehicle-theft offenders in Australia is 16.7 months. You want to perform a hypothesis ...Post your question