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Let Z be a normally distributed random variable with mean 100 and standard deviation 15.
a. What is the probability that Z is between 90 and 100? -> 0.2475
Transform the uniform variates from above into normal variates with mean 10 and standard deviation 5, using the inverse cumulative distribution function (CDF) for the normal distribution.
1. What is the maximum value in your new normal sample?
2. What is the p-value of a Kolmogorov-Smirnov test of this new sample against the theoretical normal distribution it simulates?
questiona. the following probability distributions relate to the completion times in weeks ta and tb of two independent
A student commented, "Once a poll has been taken, P^ (the sample proportion with a certain opinion) is a known value, so it cannot have a distribution of possible values.- Write an explanation for this student.
At a = 0.05, can it be concluded that there is a difference in the rates of both cities?
question a researcher is interested in testing to determine if the mean of population one is different than the mean
An engineer wants to determine how the weight of a? gas-powered car,? x, affects gas? mileage, y. The accompanying data represent the weights of various domesti
Develop a scatter diagram with price as the independent variable and what does the scatter diagram developed in part (a) indicate about the relationship between the two variables?
1. the mean wage is rs. 75 per day sd wage is rs 5 per day for a group of 1000 workers and the same is rs 60 and rs
Chrysler Corporation agrees to allow you to randomly select 40 of its new Dodge Caravans to test the highway mileage. Chrysler claims that the caravans get 28mpg on the highway.
The supervisor of an orange juice bottling company is considering the purchase of a new machine to bottle 16 fluid ounces (473 mL) bottles of 100% pure orange juice and wants an estimate of the difference in the mean filling weights between the ne..
If one person is selected at random, what is the probability that person is Female?
Test for normality of all the independent variables separately using normal probability plot - Test the hypothesis thatbankruptcy can be predicted
If X stands for the r.v. denoting the number of graduate students among the 25 chosen, what is the probability that X3 10?
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