The mean and variance of a binomial variate X are 4 and 4/3 respectively. Find P(X ≥ 3)

Q: A population has SS = 100 and a variance = 4. What is the value of sigma(X-mu) for the population?

A: Hello, Thanks for posting your question here.  Here it is asked to find the value of sigma(X-mu) for…

Q: Let x be a random variable that represents red blood cell count (RBC) in millions of cells per cubic…

A: Given, Let X= 4.9, 4.2, 4.5, 4.1, 4.4, 4.3

Q: table below shows a sample of waiting umes (in heart transplant two age groups. At a- that the…

A: Given data, 18-34 35-49 156 211 172 194 166 209 170 210 163 196   210   200…

Q: A study considers whether the mean score μ on a college entrance exam for students in 2007 is any…

A: From the information, the sample mean for 1957 is 500 and the sample mean for 2007 is 497. also, the…

Q: Consumer demand for milk in a certain locality, per month, is known to be a general Gamma (Erlang)…

A:

Q: company has found that its profits Y are related to its sales X by the formula   Y = 0.2X + 100. If…

A: The profits of y is, Y=0.2X+100. The next year’s sales have a Normal distribution with a mean of…

Q: Suppose that contamination particle size (in microm- eters) can be modeled as f(x)=2x³ for 1 < x.…

A: Given that,we have to calculate the mean of X.and conclude about the variance of X.