Suppose that a random sample of 100 observations is to be taken from a normal distribution for

Question:

Suppose that a random sample of 100 observations is to be taken from a normal for which the value of the mean θ is unknown and the standard deviation is 2, and the prior of θ is a normal Show that no matter how large the standard deviation of the prior is, the standard deviation of the posterior will be less than 1/5.
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...