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a prisoner escapes from jail. There are 3 roads. If the prisoner selcts road a to an escape, the probability that she succeeds is 1/4. If she selects road b, the probability is 1/5. If she selects road c the probability is 1-6. furthermore, the probability of selecting each of the roads are the same. It is 1/3. If the prisoner succeeds on her escape, what is the rpobability that she made good on her escape by using road b.
The mean number of flaws per 100 m of material produced on a certain machine at Blanktown Fabrics is 2. If flaws occur randomly, find the probability that in 50 m of material there will be less than 2 flaws.
Determine margin of error was used in creating confidence interval above? Determine the sample size required to obtain the margin of error of 10.97 with 90% confidence interval?
Describe the error in the conclusion. Given: There is a linear correlation between the number of cigarettes smoked and the pulse rate. As the number of cigarettes increases the pulse rate increases. Conclusion: Cigarettes cause the pulse rate to i..
If two gloves are randomly selected from the box without replacement, what is the probability that both gloves selected will be right handed.
Suppose normality is not assumed. What nonparameiric test can be used to compare total heart weight of males with left-heart disease with that of normal males?
Provide an example of an independent sample and or a related sample that might be appropriate for use in your organization.
In a statistics lecture, students are asked whether or not they enjoyed doing statistics. Random sample of 50 students was taken and 30 of them said that they enjoyed doing statistics.
A farm brings 15 tons of watermelon to market. Find a 90% confidence interval for the population mean cash value of this crop. What is the margin of error?
A random sample of stipends of teaching assistants in economics is listed below. Is there sufficient evidence at the alpha=.05 level to conclude that the average stipend different from $15,000? The data is listed below:
Describe the data appear the strength of the relationship among variables is sufficient to warrant using linear regression forecasting.
How variable is the number of service calls with which Sam's department must deal?
Determine whether or not the average age of the evening students is significantly different from 21. Use a 0.1 level of significance.
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