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The following table shows the distribution of blood types in the general population
(Hoxworth Blood Center, Cincinnati, Ohio).
A B AB O TotalRh+ 0.34 0.09 0.04 0.38 0.85Rh- 0.06 0.02 0.01 0.06 0.15Total 0.40 0.11 0.05 0.44 1.00
a. What is the probability a person will have type O blood?
Conduct the hypothesis test and compute the p-value. At a 0.05 level of significance, what is your conclusion?
The Department asks you to estimate a model that could ?t this situation. a) Do you think that a multinomial logit is a suitable model for this problem? Explain why.
After a series of training sessions the restaurant determined the average waiting time was 86 min (s- 12 min) assume the population is normal. what % of patrons waited less than 90 min?
If the sample mean is 10.0 and the sample standard deviation is 0.15, find the 95% confidence interval estimate for the true mean.
The Speedy Oil Change Company advertised a 15-minute wait for an oil change. A sample of 23 oil changes showed a mean time of 16.5 minutes and a standard deviation of 4.3 minutes.
Critique the HR manager's planned approach and give him advice on how to proceed. You can assume that a reasonable estimate for the proportion of new hires that are happy with the company is .8.
Summarize the NSC concentrations graphically and numerically for each type of forest. How do dry forests compare to moist forests in terms of NSC concentrations?
A new industrial oven has just been installed at the Piatt Bakery. To develop experience regarding the oven temperature, an inspector reads the temperature at four different places inside the oven each half hour.
In the belief that Statistics is too hard, a student claims that the mean score on a final exam is less then 70. 15 scores will be chosen at random to test this claim.
What is the chance that stock will fall by more than 15% next month? What extra assumption are you making when replying this question?
Determine the sample space of one such throw and determine the probability for each event and in the game of Ludo, a player has to throw one die and move a selected token based on the number shown on the die.
A recent article in theWall Street Journal reported that the prime rate for large banks now exceeds 9 percent. A sample of eight small banks in the Midwest revealed the following prime rates (in percent):
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