Please clearly highlight answers - no explanations are required.

PART A

Suppose you want to test the claim that a population mean equals 50. (a) State the null hypothesis. OH: M > 50 O Ho: M 50 OH, : H 50 OH,: M 50 OH,: H 3 Mbps OH: ME 3 Mbps H_: u # 3 Mbps OH: u # 3 Mbps H_: u = 3 Mbps OH: u = 3 Mbps H_: u # 3 Mbps OH : u > 3 Mbps He: M