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The cord passing over the two small pegs A and B of the square board is subjected to a tension of 100 N. Determine the required tension P acting on the cord that passes over pegs C and D so that the resultant couple produced by the two couples is 15N.m acting clockwise. Take θ =15°
1000 students took a national aptitude test. as a result the mean score was 71 and standard deviation was 6. assuming
Analyze whether the factors of totwrk, educ, and age are enough factors to explain the variation in sleep. Explain which additional factors should be explored in order to explain the variation in sleep. Provide your reasoning.
In the simplest way possible can some one provide me with the steps to find the square root of a number like 11.0554 that is not a perfect square.
utility analysis is a sophisticated theoretical approach to decision-making. list a few of your personal decision
The ef?ciency X of a certain electrical component may be assumed to be a random variable that is distributed uniformly between 0 and 100 units. What is the probability that X is:
suppose a manufacturing company makes a certain item. the time to produce each item is normally distributed around a
Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P- value using a= 0.05. Is there sufficient evidence to conclude that there is a linear correlation between systolic measurement and diastolic measuremen..
Find the probability that the number of shares traded on a randomly selected day falls below 0.6 billion and what percentage of days finds a volume of shares traded of more than 2.5 billion?
a) Find the 95% confidence interval for the population mean based on the 37 patients who remain after you drop the outlier. b) Compare your interval in (a) with your interval from Exercise 18.32. What is the most important effect of removing the ou..
Suppose that the lives of all such bulbs have a normal distribution with a mean of 750 hours and a standard deviation of 55 hours. Let x (sample mean) be the mean life of range sample of 25 such bulbs.
what statement should be made about the null and alternative hypothesis based on sample data and significance level?
Simulate the birthday problem to find the first person with the same birthday as yours. Perform the simulation 500 times. How many people did it take to find the first match? Was it typically about the same as the theoretical expected value?
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