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A common test for extrasensory perception (ESP) asks subjects to identify which of four shapes (star, circle, wave, or square) appears on a card unseen by the subject. Consider a test of n = 40 trials, where you will count how many times the subject specifies the correct shape. Suppose you want to determine if a subject has ESP. Let p = probability of a correct answer for the subject (that is, the proportion of correct responses if we tested the subject forever).
1. Allen Machines specializes in developing weed-harvesting equipment that is used to clear small lakes of weeds. Allen Machines is contemplating the construction of a machine that would harvest weeds on narrow rivers and waterways. The activ..
How do I define the the population and select a simple random sample of size n from the population? A random sample of n=12 values taken from a normally distributed population resulted in the following sample value:
Assume the least squares equation is Y' = 10 + 20X. What does the value of 10 in the equation indicate?
Determine and plot the probability mass function and probability distribution function of the contract award amount (in millions of dollars).
The distance (in miles) are as follows:32,18,44,29,25,38,14,21,and 12. Estimate the mean commute distance of all employees of the company.
Develop a simple regression model that relates electricity usage to home size. What is the resulting regression equation?
According to recent surverys, 53% of households have personal computers. if a random sample of 175 households is selected, what is the probability that more then 75 but fewer than 110 have a personal computer?
these instructions apply to all the problems.a draw thenbspscatter plotnbspfor the variables.b compute
A number x is formed by choosing six digits in order, each being a 9 or a 1 and equally likely. Describe the sample space and count the number of sample points it contains.
Selecting a sample of 50 one bedroom apartments in this town and getting a sample mean of less then $530 if the population standard deviation is $100?
in a survey of 9000 females. 6431 say they change their nail polish once a week. construct 90 and 95 confidence
Any analysis required to check the required conditions (note that if you find that you cannot meet the required conditions for the test you expected to do, you must use the appropriate non-parametric test)
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