Statistics
 👍 0
 👎 0
 👁 168
Respond to this Question
Similar Questions

STATISTICS
Consider a binomial random variable where the number of trials is 12 and the probability of success on each trial is 0.25. Find the mean and standard deviation of this random variable. I have a mean of 4 and a standard deviation

Statistics
Let X be a random variable that takes integer values, with PMF pX(x) . Let Y be another integervalued random variable and let y be a number. a) Is pX(y) a random variable or a number? b) Is pX(Y) a random variable or a number?

Probability
For each of the following statements, determine whether it is true (meaning, always true) or false (meaning, not always true). Here, we assume all random variables are discrete, and that all expectations are welldefined and

Math
Background: a number, e.g. 2 , can be thought of as a trivial random variable that always takes the value 2 . Let x be a number. Let X be a random variable associated with some probabilistic experiment. a) Is it always true that

statistics
the random variable x is known to be uniformly distributed between 70 and 90. the probability of x having a value between 80 to 95 is

Economic
The distance a car travels on a tank of gasoline is a random variable. a. What are the possible values of this random variable? b. Are the Values countable? Explain. c. Is there a finite number of values? Explain. d. Is there

STATISTICS
A random sample of stock prices per share (in dollars) is shown. Find the 90% confidence interval for the variance and standard deviation for the prices. Assume the variable is normally distributed.

Statistics
A random variable is normally distributed with a mean of 50 and a standard deviation of 5. b. What is the probability that the random variable will assume a value between 45 and 55 (to 4 decimals)? c. What is the probability that

ap stats
Continuous Random Variable, I Let X be a random number between 0 and 1 produced by the idealized uniform random number generator described. Find the following probabilities: a.P(0less than or equal to X less than or equal to 0.4)

Prob ans stat
Let x be a random variable that represents the length of time it takes a student to complete a takehome exam in Dr. Larson's psychology class. After interviewing many students, it was found that x has an approximately normal

probability
Let 𝑋 and 𝑌 be independent continuous random variables that are uniformly distributed on (0,1) . Let 𝐻=(𝑋+2)𝑌 . Find the probability 𝐏(ln𝐻≥𝑧) where 𝑧 is a given number that satisfies 𝑒^𝑧

Probability
The random variable X is uniformly distributed over the interval [θ,2θ]. The parameter θ is unknown and is modeled as the value of a continuous random variable Θ, uniformly distributed between zero and one. Given an
You can view more similar questions or ask a new question.