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A surgical technique is performed on eight patients. You are told that there is an 80% chance of success.
a) Construct a binomial distribution.
b) Find the mean, variance, and standard deviation of the probability distribution.
c) Find the probability that the surgury is successful for exactly six patients.
d) Find the probability that the surgury is successful for fewer than six patients
The average time it took then to change a water pump was 18 minutes. The SD of the sample was 3. Find the 99% of the interval of the true mean.
Number of rescue calls received by rescue squad in city follows a Poisson distribution with mu = 2.83 per day. Squad can handle at most four calls a day. Determine the probability that squad will be able to handle all calls on a particular day?
Employee theft or poor inventory control and that employee theft and poor inventory control are equally likely? Use the .02 significance level.
The middle five weeks, and 60% during the last 5 weeks. Would a time-series graph of this data be appropriate? Give a reason for your answer.
For each of the F statistics given above find the degrees of freedom and an approximate P-value. Summarize the results of these tests.
Describe a scenario related to the final project in which you would use repeated-measures ANOVA. Describe a scenario related to the final project in which you would use MANOVA.
If a sample of 800 homes sold in 2004 is obtained what is the probability that between 175 and 200 homes are going to be used as investment property?
Draw a scatter diagram of the following bivariate data.
The letters of the word PRESERVE are arranged at random. Then what is the probability that all the 3 E's occur together??
What sample size must you take to be 96% confident that the results will be within $.75 of the true mean cost per call?
Do these data suggest that the amount of time devoted to urban problems in acceptance speeches of newly elected representatives to the U.S. Congress differ according to whether they come from rural or urban districts?
Its probability distribution is as follows. Find the standard deviation of the number of houses sold. A. 2.25 B. 2.62 C. 1.62 D. 6.86 E. 4.45.
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