Homework Help: Statistics

Posted by Mandy on Wednesday, November 2, 2011 at 9:11pm.

Upon examining its records, a hospital computes the distribution of the number of days a patient stays at the hospital. They find that 50% of patients stayed just one day before leaving. 30% stayed two days, and 10% stayed 3 days.
a.) A patient is selected at random from the hospital's records. Keeping in mind that every patient stays at least one day, what is the chance that this patient stayed longer than 3 days? Show your work.

b.) For the hospital, the mean length of stay was 4.3 days. Thus,
A.) the mean length of stay is larger than the median.
B.) the mean length of stay is smaller than the median.
C.) the mean length of stay is the same as the median.
D.) it is impossible to tell whether the mean is larger or smaller than the median.

Pick one and explain.

Statistics - PsyDAG, Wednesday, November 2, 2011 at 10:19pm
That is only 90% of the patients. Did the other 10% die?

Answer this Question

Related Questions

math, pre- statistics - Hospital records indicated that maternity patients ...
STATISTICS - Length of Hospital Stays: The average length of “short” ...
Statistics - A resort tracks the number of days each guest stays. They've ...
health - The hospital inpatient record documents the care and treatment received...
health - Although hospital inpatient records have traditionally served as the ...
statistics - .) A hospital in a large city records the weight of every infant ...
Finance - Community Hospital has annual net patient revenues of $150 million. At...
database management - 2. Given the following business scenario, create a Crow&#...
statistic - age days in hospital 40 11 36 9 30 10 27 5 24 12 a. draw a scatter ...
statistic - age days in hospital 40 11 36 9 30 10 27 5 24 12 a. draw a scatter ...

For Further Reading

First Name:
School Subject:
Answer: