Olivia received a $700 signing bonus when she accepted a job as a nurse. If she makes $24 an hour, which equation models Olivia'
2 answers:
Answer:
The equation will be :
Step-by-step explanation:
Olivia received a $700 signing bonus when she accepted a job as a nurse.
She makes $24 an hour.
Let the number of hours she works be 'x'
So, at a rate of $24 per hour, she makes $24x for 'x' hours.
And $700 is a fixed amount so it will not be used with variable.
Thus the equation that forms to get 'y', the total pay in dollars is :
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Answer:
b) The width of the confidence interval becomes narrower when the sample mean increases.
Step-by-step explanation:
The confidence interval can be calculated as:
a) The width of the confidence interval becomes wider as the confidence level increases.
The above statement is true as the confidence level increases the width increases as the absolute value of test statistic increases.
b) The width of the confidence interval becomes narrower when the sample mean increases.
The above statement is false. As the sample mean increases the width of the confidence interval increases.
c) The width of the confidence interval becomes narrower when the sample size n increases.
The above statement is true as the sample size increases the standard error decreases and the confidence interval become narrower.