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Let N(m, v) denote the normal random variable with mean m and variance v.
(a) If X is a Standard Normal variable, what is the distribution of the random variable 4X - 1?
(b) If X ~ N(3,1) and Y ~ N(4,2) are independent, what is the distribution of the random variable X + Y?
a plant purifies its liquid waste and discharges the water into a local river. the epa collects water specimens of the
a class containing 15 students 5 of them are females. in how many ways can we select a group of 4 male
A random sample of 50 recent patient records at a clinic shows that the average billing per visit was $53.01 and the standard deviation.
1. rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.2.
Find the mean, variance, and standard deviation. Construct a frequency table with ?ve classes.
A sample of 212 commercial businesses was surveyed for recycling one commodity; a commodity here means any one type of recyclable material such as plastic.
the time to failure of a battery in hours of a personal handheld music device follows an exponential distribution. the
Provide a complete and straight forward response to the following: Biotechnology has impacted our lives in many ways. Explain three ways this type of technology has affected the field of medicine and the decisions society makes about their own heal..
Find the confidence interval by estimating the population proportion
the manufacturer of a new toothpaste claims that the new product helps whiten teeth. sixty subjects were randomly
1. Let Yi and Yn be, respectively, the first and nth order statistics of a random sample of size n from a distribution of the continuous type having distribution function }{x). Find the smallest value of n such that Pr [}{Yn) - F(..
Construct the LOWER bound of the 95% confidence interval for the proportion of customers who would like to watch a movie in their rooms.
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