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There are many examples of the role of noise in human communications. One story concerns a communication exchange which purportedly took place during the First World War. The message sent by the source was ‘Send reinforcements, we're going to advance'. As the result of ‘noise' in the channel the message which finally arrived was ‘Send three-and-four-pence, we're going to a dance'. (a) What forms of noise may have contributed to this miscommunication? (b) State some ways in which this noise could have been reduced.
The grade point average of the students at UTC is 2.80 with a standard deviation of 0.84. The grade point average of students at UTK is 2.4 with a standard deviation of 0.84. Which university shows a more dispersed grade distribution?
Using the .01 significance level you will test to conclude if the analyst finds evidence that the boast of dealership A is correct. What will be your critical value?
Calculate (rounded to the nearest tenth) The correlation between IQ and Anxiety r =??
suppose a manufactuirng company make a certain item. the time to produce each item is normally distributed around a
the following is a cross-tabulation taken from a subset of the 2010 general social survey. respondents were asked
owner of a store that sells cds wants to estimate the mean amount of time a customer remains in the store. a random
A die is to be rolled and we are to observe the number that falls face up. Find the probabilities for these events: Observe a 6 and Observe an odd number.
What is the slope? What is the y-intercept? Is the line dashed or solid? Is the area shaded below or above the line?
Month is uniformly distributed between 2 and 12. Find the probability density function and the cumulative distribution function of x.
you conducted a chi-square goodness of fit test in your asci 691 capstone project. unfortunately you did not get the
Given that the mean of all 102 atomic numbers is 51.794, and the population standard deviation is 29.804, what is the probability that the mean of the 40 atomic numbers selected by the student will be at least 57.3?
To test the hypothesis that the median weight of 16-year-old females from Los Angeles is at least 110 pounds, a random sample of 200 such females was chosen. If 120 females weighed less than 110 pounds, does this discredit the hypothesis? U..
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