Power is the probability that a study will reject the null hypothesis. The estimated. probability is a function of sample size, variability, level of significance, and the. difference between the null and alternative hypotheses. Similarly, the sample size. required to ensure a pre-specified power for a hypothesis test depends on variability, level of significance, and the null vs. alternative difference.
Nature of stale check. Stale check is a check that is presented to be cashed or deposited at a bank six months or more after the date it was written.
Check Expiration Date. A cashier's check does not have an expiration date. However, some banks have a specific time frame during which check funds are guaranteed. If the bank has a specific time frame, it is often printed on the check.For example, the check may read Void After 90 Days..If you are unsure of a bank's protocol for cashier's check expiration, contact the issuing bank to determine. The issuing bank's name appears on the face of the check.f the bank has a specific time frame, it is often printed on the check. For example, the check may read Void After 90 Days.. If you are unsure of a bank's protocol for cashier's check expiration, contact the issuing bank to determine. The issuing bank's name appears on the face of the check.