Suppose You Plan to Build a 90% Confidence Interval Estimate

question 123

Multiple Choice

Suppose you plan to build a 90% confidence interval estimate of a population mean, using a sample of size 3.You will be estimating the population standard deviation with the sample standard deviation.Assuming the population distribution is approximately normal, the appropriate t value for your interval would be _____ .If you had used a z score instead of the t value here, the z score for the 90% interval would be much too small.In fact the z score for a 90% interval is only ______ .

• A)4.303, 1.65
• B)6.965, 1.96
• C)2.920, 1.65
• D)1.886, 1.65
• E)2.353, 1.96

---

Definitions:

Guards

Individuals tasked with the protection of people, property, or premises, often through monitoring and enforcing safety protocols.

Aggressive

Behaviors or attitudes characterized by hostility or assertiveness towards others, potentially leading to conflict.

Prisoners

Individuals who are held in confinement as a punishment for crimes they have been convicted of, or while awaiting trial.

Revolt

An act of rebellion against authority or established order; a refusal to accept control or comply with norms.