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Q1) Hospital emergency room (ER) is presently organized so that all patients register through initial check-in process. At his or her turn, each patient is seen by doctor and then exits process, either with prescription or with admission to hospital. Presently, 50 people per hour arrive at ER, 10% of whom are admitted to hospital. On average, 30 people are waiting to be registered and 40 are registered and waiting to see doctor. Registration process takes, on average, 2 minutes per patient. Among patients who get prescriptions, average time spent with doctor is 5 minutes. Among those admitted to hospital, average time is 30 minutes. On average, how long does patient stay in ER? On average, how many patients are being examined by doctors? On average, how many patients are in ER?
Describe and analyze your quantitative data and Briefly address the data analysis process.
Comparing the experimental and theoretical probabilities, can you say the die used in this experiment is a fair die? Why or why not?
Of the 1,4000 homemakers sampled, 420 were able to identify the brand by name. Estimate the value of the population proportion.
He randomly samples 45 oil wells throughout the United States and determines the mean output to be 10.7 barrels per day with a standard deviation of 1.3 barrels. Test the researcher's claim at the .025 level of significance.
Determine the value of population mean? What is the best evaluate of this value?
The weight of the first orange minus the weight of the second orange) is a random variable with standard deviation and individual outcomes are uncertain but happen in a predictable manner through time.
If Kim expects to use phone for 21 hours per month, which plan must she choose?
Develop a probability distribution for the number of travelers who plan their trips within two weeks of departure.
What sample size and acceptable level would result in a probability of .05 that a good batch will be rejected and a probability of .10 that a bad batch will be accepted?
One state lottery has 1000 prizes of $1, 200 prizes of $5, 50 prizes of $25, 15 prizes of $150, 4 prizes of $500, and 1 prize of $2500. What is the lottery expected profit per ticket?
What is the probability of finding exactly four watch soap operas?
Does the data prove a significant difference in mean times?
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