Answer: -1.78
Step-by-step explanation:
As per given description, we have
Population proportion :
Sample size : n= 500
Sample proportion :
Test statistic for population proportion :-
Hence, the test statistic for this hypothesis test for a proportion= -1.78
Answer:
The new rate should be $56.67 per day
Step-by-step explanation:
Proportion states that the two fractions or ratios are equal.
As per the statement:
Normal rate per day = $45
To find the new rate:
Let new rate be x per day
By definition of proportion:
By cross multiply we have;
Divide both sides by 100 we get;
Simplify:
x = $56.7
Therefore, the new rate should be $56.7 per day