What is the solution set of -|-x = -12? O no solution O {-12} O {12} O {-12, 12}
1 answer:
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Answer:
b. 1.15
Step-by-step explanation:
The z statistics is given by:
In which X is the found proportion, p is the expected proportion, and s, which is the standard error is
Out of 53 teachers who replied to the survey, 13 claim they are satisfied with their job.
This means that
She find that the proportion of satisfied teachers nationally is 18.4%.
This means that
Standard error:
p = 0.184, n = 53.
So
Z-statistic:
The correct answer is:
b. 1.15