A random variable Y is given with its probability distribution. Find the value of 100q. 0 1 3 0.35 q 3q Y P(Y) 2 0.25 4 q
Q: The joint probability distribution of two random variables X, Y is given in the table below. Y=-4…
A: y=-4 y=-2 y=0 y=2 y=4 total x=0 0.02 0.07 0.11 0.03 0.08 0.31 x=2 0.00 0.11 0.09 0.12 0.00…
Q: Let the random variable Y have a geometric distribution with a mean of 3. The probability that…
A: From the provided information,Y have a geometric distribution with a mean of 3 that is Y~G(3)Since,
Q: The random variables X and Y have the joint probability distribution given below. X=1 X=2 Y=1 0.20…
A: Given data is
Q: The probability distribution for the random variable x follows: x f(x) 20 0.20 25…
A: Given data
Q: An estimate is a random variable of an estimator. True False
A: An estimator is a random variable calculated from a random sample that provides either a point…
Q: The faces of a biased die are numbered 1, 2, 3, 4, 5 and 6. The random variable X is the score when…
A:
Q: (d) Suppose the left-turn lane is to have a capacity of five cars and one bus is equivalent to three…
A: Here given joint distribution table for x and y X = no of cars Y = no. Of buses
Q: The discrete random variable X has the following probability distribution (See image below). Solve…
A: Given PMF of X. Now will using this pmf to find mean.x = [15,20,25,30]p(x) = [0.20,.15,.32,0.33]
Q: The joint probability distribution of two random variables X, Y is given in the table below. Y=-3…
A:
Q: The discrete probability distribution is given by. What is the variance of the probability…
A:
Q: The probability distribution shown below describes a population of measurements. x 0 2 4 p(x) 1/3…
A: Given data, x 0 2 4 p(x) 1/3 1/3 1/3 Expected value E(X)=?
Q: The following table represents the joint probability distribution of the number of people waiting in…
A:
Q: Jill and Pete come to the bookstore and each of them can buy one English-Chinese dictionary with the…
A:
Q: Find the joint probability distribution of x and y. Find the marginal probability distribution of x.
A: The variable X indicates unemployed and variable y indicates employed.
Q: X denote the number of times a computer bug will appear: 1, 2, or 3 times on any given day. Y denote…
A: Given that The joint probability mass function of X and Y is f(x,y) x=1 x=2 x=3 y=1 0.05 0.05…
Q: A veterinarian is using a new vaccine for cats. The vaccine has a 10% probability of causing side…
A: Given information: P(Side effects) = 0.10 P(No side effects) = 1 - 0.10 P(No side effects) = 0.90…
Q: 2. The random variable X has the following probability distribution. 2 6 .4 X P(x) -3 .2 Find the…
A: Answer:- Given the probability distribution of the random variable X is X -3 2 6 8 P(x) 0.2…
Q: The random variable X has the discrete variable in the set {-1,- 0.5, 0.7, 1.5, 3} the corresponding…
A:
Q: Fill in the P (x=x) values to give a legitimate probability distribution for the discrete random…
A: Only missing values are P[X=-2] and P[X=6], remaining values have known probability masses, so we…
Q: The random variable x has the discrete probability distribution shown below. Find P(x ≤ 0).…
A:
Q: Do you carpool? Let X represent the number of occupants in a randomly chosen car on a certain…
A: The problem is asking us to find the probability that the number of occupants in a randomly chosen…
Q: Boys and girls: A couple plans to have children until a girl is born, but they will have no more…
A: Given data: A couple plans to have children until a girl is born, but they will have no more than…
Q: Pain is measured on a scale from Grade 1 (no pain) to Grade 4 (severe pain). X is the pain score of…
A: 1. Wrong, because it is a discrete random variable. 2. Wrong, P(X<2) = P(X≤1)
Q: A die is rolled 3 times. Let X be the number of sixes that occur. Determine the probability…
A: X= the number of sixes n=sample size= 3 p=probability of getting a 6= 16 X follows a binomial…
Q: The following table represents the probability distribution of the random variable X. Find P(Xs3) X…
A:
Q: Randomly draw without replacement two numbers from 1, 2, . . . , 10. Let X denote the larger number…
A: Given information: It is given that, two numbers are randomly selected from 1, 2, …, 10 without…
Q: Please calculate the variances, Var(X) and Var(Y), and the corresponding standard deviations for the…
A: …
Q: 4. Jane decided to sell her house. A random variable X models the number of passengers in cars…
A: It is given that the probability for the values 1, 2, 3, are 0.3, 0.2 and 0.1 respectively.
Q: Determine whether or not the distribution is a discrete probability distribution and select the…
A: It is an important part of statistics. It is widely used.
Q: P(x) Five males with an X-linked genetic disorder have one child each. The random variable x is the…
A:
Q: 23. Table Q3 1 2 0.15 a 3 0.4 X P(X=x) Given E(X)= 3.05, calculate the values of a and b. 6 b
A: a=0.25 b=0.20
Q: Fill in the P(X=x) values to give a legitimate probability distribution for the discrete random…
A: The table shows discrete random variable values with their probability values.
Q: Let the random variable X represent the number of heads when a coin is tossed 4 times. The fallowing…
A: x = no. of heads tossed sample size (n) = 4 x P(x) 0 0.0625 1 0.25 2 0.375 3 0.25 4…
Q: A random variable X has the probability distribution given in the following table: 2 3 4 5 6 P(X =…
A: When random variable X has the probability distribution then sum of the probabilities must be equal…
Q: Fill in the P(X=x) values to give a legitimate probability distribution for the discrete random…
A:
Q: Six males of whom two are of blood type A, the other two of blood type B and the last two of blood…
A: Given information: 6 males of whom 2 are of blood type A, the other 2 of blood type B and the last 2…
Q: P(X=x) -2 0.30 -1 0.15 0.20 0.20 0.15 ) Explain two reasons why the above distribution is a valid…
A: Given: x P(X=x) -2 0.30 -1 0.20 0 0.20 1 0.20 2 0.15
Q: in a restaurant th e is continuous.
A: discrete random variable: 1) The probability of a discrete random variable lies between 0 and 1 2)…
Q: For the discrete probability distribution. 1 3 4 5 7 f k 2k 2k 3k k² 2k² 7k² + k Find the variance.
A:
Q: Fill in the P(X=x) values to give a legitimate probability distribution for the discrete random…
A: The distribution is as follow:Value of x of XP (X=x)-10.120340.1660.19
Step by step
Solved in 4 steps with 3 images
- Solve the problem.Suppose x is a random variable best described by a uniform probability distribution with c = 70 and d = 100. Find the value of a if P(x > a) = 0.9. Select one: A. 100 B. 80 C. 97 D. 73The probability distribution of random variable X is given as follow: 2 3 4 5 f (x) 0.41 0.37 0.16 0.05 0.01 0.00 Find the mean of X? E(X) = ?The random variable X has the following probability distribution: X 1 3 P(x) 0.05 0.25 0.35 k The value ofk is 0.25 True O False OO
- Five males with an X-linked genetic disorder have one child each. The random variable x is the number of children among the five who inherit the X-linked genetic disorder. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. Does the table show a probability distribution? Select all that apply. X 0 1 2 3 4 5 child(ren) (Round to one decimal place as needed.) P(x) 0.027 0.152 0.321 0.321 0.152 0.027 A. Yes, the table shows a probability distribution. B. No, the random variable x is categorical instead of numerical. C. No, not every probability is between 0 and 1 inclusive. D. No, the sum of all the probabilities is not equal to 1. E. No, the random variable x's number values are not associated with probabilities. Find the mean of the random variable x. Select the correct choice below and, if necessary, fill in the…Let X be a random variable that can take the values 5, 9, or 13. And let f(x) be its probability distribution. Find the variance of the random variable X, given that its probability distribution is f(5) = 0.1 f(9) = 0.4 f(13) = 0.5 Round your answer to an integer.Let X denote the random variable given by the number of boys in a family of five children. Find the probability distribution if a girl is as likely as a boy. (Round your answers to four decimal places.) Random variable, x 0 1 2 3 4 5 6 P(X = x)
- Find the probability. Suppose x is a random variable best described by a uniform probability distribution with c= 10 and d=50. Find P(x>50). C= 0.4 0.5 1 OThe random variable x is the number of houses sold by a realtor in a single month at the Sendsom's Real Estate office. Find the mean of the probability distribution. Houses Sold (x) Probability P(x) 0 0.24 1 0.01 2 0.12 3 0.16 4 0.01 5 0.14 6 0.11 7 0.21 μμ = 3.50 μμ = 3.35 μμ = 3.60 μμ = 3.40The random variable X has probability distribution given in the table below:X -1 0 1 2 3P(X=x) b 0.1 0.2 0.15 0.15a. Find the value of b.b. Find the Var (X)c. E (2X-4)d. Var (3-2X)
- The value of E(X) for the dizerete random variable Xhaving tihe following probability distribution: o02 04 03 jo1g is the probability distribution of a random variable that represents the number of extracurricular activities a college freshman participates in. x 0 1 2 3 4 Px 0.06 0.13 0.45 0.23 0.13 Find the probability that a student participates in more than two activities.Five males with an X-linked genetic disorder have one child each. The random variable x is the number of children among the five who inherit the X-linked genetic disorder. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. child(ren) (Round to one decimal place as needed.) X 0 1 2 3 4 5 Does the table show a probability distribution? Select all that apply. A. Yes, the table shows a probability distribution. B. No, the random variable x's number values are not associated with probabilities. C. No, the random variable x is categorical instead of numerical. D. No, not every probability is between 0 and 1 inclusive. E. No, the sum of all the probabilities is not equal to 1. Find the mean of the random variable x. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. P(x)…