1.
H0: The mean monthly household expenditure is equal to P12760
Ha: The mean monthly household expenditure is not equal to P12760
2.
H0: Mean weight of girls at birth is greater or equal to 3.2kg
Ha: Mean weight of girls at birth is less than 3.2kg
3.
H0: Steel cables has a breaking strength of 450lb
Ha: Steel cables has not breaking strength of 450lb
4.
H0: The bottle of cooking oil produced contain less than or equal to 1litre of oil advertised
Ha: The bottle of cooking oil produced contain greater than 1litre of oil advertised
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