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In a health Insurance experiment performed in a Super Specialty Hospital 4 types of insurance categories patients are expected to occur in the proportion of 9: 3: 3: 1. The observed frequencies are 891 Insured and Surgical, 316 Uninsured and surgical, 290 Insured and medical, 119 uninsured and medical. Find out expected observations and deviation.
Use suitable one or two sided test for null hypothesis of no difference in them then changes rating between groups at 0.10 significance level.
Formulate a hypothesis statement for the following claim: "The average adult drinks 1.7 cups of coffee per day." A sample of 35 adults drank an average of 1.95 cups per day. Assume the population standard deviation is 0.5 cups. Using α = 0.10, tes..
Use these two variables to answer the following questions: Depression and Drug Use.
If the manufacturer's claim is correct (i.e., µ, 5 30 seconds, a 5 10 seconds), what is the probability that the average deviation from perfect accuracy would be 34 seconds or more?
the probability that a certain kind of scratch-off lottery ticket will win a prize is 0.22. kendra received 8 tickets
Calculate the mean, median, and standard deviation for ounces in the bottles and construct a 95% Confidence Interval for the ounces in the bottles.
it is assumed that the time failures for an electronic component are exponentially distributed with a mean of 50 hours
a mail order company has an 8 success rate. if it mails advertisements to 600 people find the probability of getting
Assume that the readings on the thermometers are normally distributed with a mean of 0 degrees and a standard deviation of 1 degrees C.
the portion of people aged 18 - 25 who currently use illicit drugs is equal to 0.20 or 20.now express the null
Set up hypotheses and carry out all relevant tests. Describe all results and implications which you have discovered.
Assuming normal populations with equal standard deviations, use the 0.01 level in examining whether pulling the trailer uses significantly less fuel than driving with the rooftop carrier.
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