A Random Sample of N = 4 Scores Is Obtained

question 49

Multiple Choice

A random sample of n = 4 scores is obtained from a normal population with µ = 20 and σ = 4.What is the probability that the sample mean will be greater than M = 22?​

• A)​0.50
• B)​1.00
• C)​0.1587
• D)​0.3085

---

Definitions:

Specialized Software

Software designed for a specific task or industry, offering features and functionalities unique to its intended purpose.

Wireless Network Connections

Connections between devices that communicate and exchange data without physical wires, using radio frequency signals.

Wired Broadband Connections

High-speed internet connections transmitted over physical wires or cables, offering stable and fast online access.

Internet

The vast network that connects millions of computers globally, enabling them to communicate and share information instantly.