Normal curve with the area corresponding
Suppose the random variable X is normally distributed with the mean u =50 and standard deviation a=7. Calculate the probability. Be sure to draw the normal curve with the area corresponding to the probabillty shaded.
P(35 < X < 57)
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Determine P(X > 4). Use the binomcdf function on your calculator. Is it appropriate to employ the normal approximation to the binomial for this problem? Support your answer with numbers and a test.
You conducted Chi-Square Goodness of Fit Test in your ASCI 691 capstone project. Unfortunately, you did not get the sample size you had hoped for during your research. You were able to get 55 in the sample.
Let U be uniformly distributed over the interval [0,L],where L follows the gamma density fL(x)=xe^(-x),for x>=0. What is the joint density function of U and V=L-U?
The number of flaws per square yard in a kind of carpet material varies with mean 1.4 flaws per square yard and standard deviation 0.8 flaws per square yard.
A student wants to determine whether her dog Muffin tends to chase her blue ball more frequently than she chases her red ball. The student rolls both blue ball and red ball at the same time and observes which ball Muffin chooses to chase. Repeatin
When parking car in downtown parking lot, drivers pay according to number of hours or fraction thereof. The probability distribution of the number of hours cars are parked has been estimated as follows:
Determine the mean, variance and standard deviation for the probability distribution given below:
Assume you want to determine the proportion of people in your community who would select Thin Mints as their favorite Girl Scout cookie. Also assume previous studies have shown this proportion to be around .4 .
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Problem: According to Jonathan Haidt, which of the two moral foundations do liberals emphasize above all the others?
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Do you think the increasing role of agencies in daily life improves the efficiency of government, or does it create unnecessary complexity?