Refer to Exercise 5.S.9. In reality, what factors would tend to invalidate the assumption that each litter

Question:

Refer to Exercise 5.S.9. In reality, what factors would tend to invalidate the assumption that each litter can be regarded as a random sample from the same population?
Exercise 5.S.9
In a certain lab population of mice, the weights at 20 days of age follow approximately a normal with mean weight = 8.3 gm and standard deviation = 1.7 gm.17 Suppose many litters of 10 mice each are to be weighed. If each litter can be regarded as a random sample from the population, what percentage of the litters will have a total weight of 90 gm or more?
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...