which of the following gives the probability that the random variable X > 2?

Q: The length, X, of a fish from a particular mountain lake in Idaho is normally distributed with u =…

A: As per our guidelines we are supposed to answer only 3 sub-parts of any question so I am solving…

Q: Which of the following is true for the probability of a discrete random variable x? A) Р(х) 1 С)…

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Q: Which of following would be an example of experimental probability? O the chance of drawing 4 green…

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Q: If x is a binomial random variable with n = 10 and p = 0.8, what is the probability that x is equal…

A: It is given that X follows a binomial distribution. The PMF of binomial distribution is given by,

Q: a. In words, dene the Random Variable X. b. List the values that X may take on. c. Give the…

A: As per our guidelines, we are only allowed to answer three sub-parts a) Let X defines the random…

Q: In a large city, 60% of the residents are females and 40% are males. If two persons are selected…

A: Given Information: Percentage of females = 60% or 0.6  Percentage of males = 40% or 0.4

Q: Which of the following is not a true statement about the binomial probability distribution? Each…

A: Requirements for Binomial Distribution:   Binomial random variable is discrete random variable. The…

Q: Suppose that X is a Poisson random variable with À = 5. Approximate the probability that 7<X < 10.

A: The provided mean is λ=5\lambda= 5 We need to compute Pr⁡(7≤X≤10)\Pr(7 \le X \le 10)  The Poisson…

Q: If X is normal random variable with mean 3 and variance 5, then find the probability P(2 < X <6).

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Q: otherwise If the expected value of the random variable X is 1/3. Find the values A and B.

A: Here use property of probability distribution function

Q: Which value for X will result in the greatest relative frequency give discrete random variable…

A: P.d.f of binomial distribution is given by, p(x)= nCx px qn-x , q=1-p X~B(4, 1/10)  p(x)= 4Cx…

Q: Which of the following is a continuous random variable? O Speed of an airplane O The number of…

A: A continuous random variable is which can take values between a permitted range. Example: Height,…

Q: 20 Four out of five Filipinos under the age of 30 eat rice for breakfast. If a random sample of 15…

A:

Q: 10% of HCT students have overweight. 20% of HCT students get grades greater than or equal to A-. One…

A: Given that: 10% of HCT students have overweight. This means P(overweight)= 10%=0.10

Q: Suppose that is a binomial random variable with n = 3, p=.22. what is the probability that X will…

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Q: Which of the following is not a requirement for the binomial/bernouilli probability distribution?

A: Bernouilli distribution is a special case of binomial distribution with a single trial.

Q: 3. The probability distribution of random variable X is given below: 1 2 Р() 0.9 0.1 A second random…

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Q: The length, X, of a fish from a particular mountain lake in Idaho is normally distributed with μ=7.4…

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Q: 14. If a random variable X has a Gamma distribution with a =3 and B= 2, Find the Probability that X…

A:

Q: Suppose X has a binomial random variable with n = 50 and p =0.4, then which one of the following…

A: we have given that,  X has a  binomial distribution with n= 50 and p= 0.4, Binomial (n=50, p= 0.4)…

Q: The length, X, of a fish from a particular mountain lake in Idaho is normally distributed with μ=8.4…

A:

Q: Which of the following is an example of a discrete random variable? O a. The number of people eating…

A: Discrete random variable: A variable which takes values in integer known as Discrete random…

Q: Which formula gives the probability distribution by the following random variable 3, 4, and 5 with…

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Q: suppose a random variable, x, arises from a binomial experiment. suppose n=6 and p= 0.13  how would…

A: Given that, A random variable x arises from a binomial experiment, n=6 p=0.13 Then, q=1-p = 0.87 so,…

Q: 2. 0.03 of the goods produced in a factory are defective. When a 25 unit sample is drawn for…

A: Given information is, 0.03 of the goods produced in factory are defective. And 25 units are drawn…

Q: Suppose that in a given country, the proportion of households owning their own home is 0.65.…

A:

Q: Which of the following is/are requirements for a Poisson random variable? the probability p of a…

A: Poisson distribution: A random variable X is said to have a Poisson distribution with a parameter λ…

Q: A random variable X has a probability distribution as follows: 1 P(X) 2k 3k 13k 2k The probability…

A:

Q: If X is a binomial random variable, for what value ofθ is the probability b(x; n, θ ) a maximum?

A: The value of q is given below:

Q: Which of the following statements about a binomial random variable is​ FALSE?   A. Each…

A:

Q: The Food Marketing Institute shows that 17% of households spend more than $100 per week on…

A: Given N=800 P=0.17

Q: Which of the following random variables is continuous?

A: A variable is said to be continuous if it can take any value in an specified interval.

Q: Suppose that X is a binomial random variable with n=3 and p=0.22. What is the mean of the random…

A: It is given that X is a binomial random variable with probability of success , p=0.22 and number of…

Q: Suppose that the time students wait for a bus can be described by a uniform random variable X, where…

A: X~ U (15 ,55 ) Find ( a ) P ( 15&lt;X&lt;25 ) =? ( B ) p ( x&gt;=25 ) =?

Q: Suppose x is a uniform random variable with a = 20 and b = 60. Find the probability that a randomly…

A: From the given information, Consider, X be the random variable that follows uniform distribution.…

Q: -30 -20 20 30 Use the empirical rule to find the probability corresponding to the shaded region…

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Q: Suppose that a random variable X has the uniform distribution on the integer 10...20. Whats the…

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Q: In a recent Pew Research Center nationwide telephone survey of American adults, 75% of adults said…

A: Given,sample size(n)=1400sample proportion(p^)=0.75

Q: Which of the following is the probability distribution of a discreet random variable A: Sum of two…

A: Option. D is the correct answer

Q: . 65% of the population of a town is over 20 years old. If a random sample of 30 p the probability…

A: Given: p=probability of success=65%=0.65 n=sample size=30 We need to find P(X≥18). The formula of…

Q: 4. Find the mean of the probability distribution of the random variable X, which 10 P(2) = 33 and…

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Q: Suppose X is a random variable with possible values -2,3 and 1 and with respective probabilities…

A: Given information, X -2 3 1 P(X) 0.22 0.35 0.43 Mean: X -2 3 1   P(X) 0.22 0.35 0.43…

Q: (a) (b) From a survey of 100 city residents, it was found that 30 read the daily new evening news,…

A: Probability: If an experiment can result in any one of different, equally likely outcomes, and if…

Q: Suppose that the time students wait for a bus can be described by a uniform random variable X, where…

A: The probability density function (PDF) of the uniformly distributed random variable with parameters…

Q: The number of lost-and-found requests received each day by a railroad ticket office is a random…

A: Solution: a. Let X be the number of lost-and-found requests received each day by a railroad ticket…

Q: A sample of n=64 observation (independently drawn) is selected from a population with mean 20 and…

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Q: Which of the following assumptions concerning the probability distribution of the random error term…

A: The difference between observed value and estimated value is known as random error.

Q: Suppose a random variable, x, arises from a binomial experiment.  If n=6,and p=0.30, find the…

A: Given, n=6 p=0.30 P(X=1)=?

Q: Suppose that X is an exponentially distributed random variable with Å = 0.75. Find each of the…

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Q: Consider X is a random variable and has equal probability of being -1,0,+1. What is the correlation…

A: Introduction: The correlation coefficient, ρ, between two random variables, X and Y can be expressed…