A probability function for a discrete random variable, Y, is shown below.     y P(Y=y) 4 0.4 6 0.2 8 0.2 10 0.2   Show how you would calculate the mean of Y. (You do NOT need to work this out). μ=

Q: The probability distribution for a discrete random variable is given below: X         4     6     8…

A: Given that  Probability distribution table  X 4 6 8 10 P(x) 0.40 0.10 0.20 0.30   We know…

Q: The number of cars per household in a certain neigborhood varies from 1 to 6. The probability…

A: From the provided information,The probability distribution table is as…

Q: ACTIVITY 2: Find the variance and the standard deviation of the following probability distributions.…

A: Given information- We have given the probability distribution for X.

Q: The plot to the right shows the probability function of a random variable Z. Estimate the needed…

A: For the given plot Find P ( z >=3 or z =-1 ) = ? P ( z >=3 ) +P(  z =-1 ) = P( z = 3 ) + P( Z…

Q: Ted is not particularly creative. He uses the pickup line "If I could rearrange the alphabet, I'd…

A: Probabilities associated with the random variable are given as follows, x P(x) 1 0.002 2…

Q: Question 6 The number of credit cards in the wallet of a randomly selected person varies from 0 to…

A: x P(x) 0 0.03 1 0.11 2 0.17 3 0.33 4 0.2 5 0.15 6 0.01 total 1

Q: Find the variance for the given probability distribution. x P(x) 0 0.37 1 0.13 2 0.06 3 0.15 4 0.29…

A:

Q: The annual premium for a ​$5,000 insurance policy against the theft of a painting is ​$250. If the​…

A: The annual premium for a ​$5,000 insurance policy against the theft of a painting is ​$250. If the​…

Q: A random variable X has a probability distribution function as follow: X P(X=x) 0.3 15.2 12.5 1 15.5…

A:

Q: Ted is not particularly creative. He uses the pickup line "If I could rearrange the alphabet, I'd…

A: Given the probability distribution table. x P(x) 0 0.001 1 0.008 2 0.033 3 0.058 Does…

Q: Value x de X P(X = x) 0.30 2 0.26 4 5 6 0.10 1.

A: We have given that,        X       :-    1        2         3     4       5 P(X= x) :-   0.30…

Q: The accompanying table describes results from groups of 10 births from 10 different sets of parents.…

A: Formula used: The maximum value in this range = μ+2σ μ = E(X) = ∑X·P(X) E(X2) = ∑X2·P(X) σ =…

Q: The table gives the joint probability distribution of the number of sports an individual plays (X)…

A: The given joint probability distribution is given as…

Q: Consider the pmf for a discrete random variable X below. What is E(X)=p? 3 0.1 P(x) 0.2 0.2 0.5…

A:

Q: Find conditions on the numbers a and b such that the table gives the probability distribution of the…

A: To find a + b of the given probability distribution table.

Q: a is normally distributed. The probability that X is between-t and t is 88%. Find the probability…

A: given data  normal distribution P(-t<x<t) = 0.88 P(x<t) = ?

Q: Recall the given data. Quality (x) 1 2 3 Total Meal Price (y) 1 45 42 36 9 2 3 Total 3 57 66 159 12…

A: Each probability f(x, y) will be calculated using the formula below. f(x,y)=number of times × and y…

Q: The table shows the probability distribution of the number of days (x) to complete a construction…

A: Define the probability distribution p(x) for random variable x. The probability distribution p(x) is…

Q: Let Y be a random variable with the following probability distribution: p(y) = y/6 for y = 1; 2; 3…

A:

Q: g is the probability distribution of a random variable that represents the number of extracurricular…

A: The problem is asking us to find the probability that a student participates in more than two…