The probability distribution for the random variable x follows:   x f(x) 20 0.20 25 0.15 30 0.25 35 0.40   Is the probability distribution valid? Explain. Draw a histogram of the probability distribution. What is the probability that x = 30? What is the probability that x is less than or equal to 25? What is the probability that x is greater than 30?

Q: The random variable Y is the number of persons living in a randomly selected occupied housing unit.…

A: Given, random variable Y: the number of persons livingprobability distribution is; y P(Y=y)…

Q: Use the probability distribution for the random variable x to answer the question. Find p(4). 0 p(x)…

A: Given that  Probability mass function of X is given in the question  Find p(4)

Q: Number of Cars | Probability 0.03 1 0.13 3 0.10 4+ 0.04 O P(2 cars) = 0.70 O P(2 cars) = 0.60 P(2…

A: According to the given information, we have The probability distribution table is given.

Q: Hannah has a chicken coop with six hens. Let X represent the total number of eggs the hens lay on a…

A: Given that,   Number of Eggs 0 1 2 3 4 5 6 Probability 0.02 0.03 ? 0.12 0.30 0.28   0.18

Q: The mean height of women in a country​ (ages 20-29) is 63.9 inches. A randon sample of 70 women in…

A: Given μ= 63.9 Sample size=n=70 σ=2.87

Q: Decide whether the distribution is a probability distribution. If it is not a probability…

A:

Q: The random variable x represents the number of tests that a patient entering a clinic will have…

A: According to the given information, we have x 0 1 2 3 4 P(x) 317 517 617 217 117

Q: Assume that 11% of Douglas College students are left-handed. Suppose you randomly select 100…

A: Given that n= number of observation= 100 p= probability of success= 11%=0.11 since each trial is…

Q: What is the probability that over half the rooms will be rented out next Saturday?

A: Let X represent the number of rooms that are rented out on any given Saturday.

Q: The table below shows the probability distribution for X, the number of daily coffee breaks taken…

A: Solution-:Let, X=the number of daily coffee breaks taken per day by coffee drinkers.…

Q: P(x) 0.004 1 0.013 2 0.028 0.353 4 0.227 0.217 0.158 a.) Find the probability of exactly 5…

A:

Q: What is the probability represented by the orange shaded rectangle? number (rtol=0, atol=0.0001)…

A: Employee performance rating scores for the company Pfizer Inc. are distributed between 30.2 and 95.2…

Q: O births is a significantly low number of girls. ick the icon to view the table. Probability…

A: Given See the handwritten solution

Q: Plzzz explain all question

A: using the following table to compute the probability distribution of x at n=2

Q: P(0)= 0.2, P(2)= 0.3, P(4)=0.3, P(6)=0.2…

A:

Q: A random variable X has the probability distribution given in the following table: 1 2 3 4 5 (x =…

A:

Q: How do I get the probability with x bar?

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

Q: n the 2010 U.S. Census, one of the questions asked was “How many people live in your household?” The…

A: The objective is to find the mathematical notation for the given statement.   The probability that a…

Q: The distribution of the amount X you’re getting out of one game is X 2 5 8 probability 0.25 0.5…

A: Given data is X 2 5 8 probability 0.25 0.5 0.25

Q: Four fair coins are tossed. X is the number of heads that occur. (1) Find the probability function…

A: Given that  Four fair coin are tossed  X=Number of heads n=4 , p=1/2=0.5 , q=1-p=1-0.5=0.5…

Q: d. The probability that the wave will crash onto the beach between 1.5 and 1.8 seconds after the…

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Q: Mike and Kevin play football and each of them can score one goal with the probabilities of 0.9 and…

A:

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: te the table below and find the mean of the probability distributio

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: Service time for a customer coming through a checkout counter in a retail store is a random variable…

A: Solution σ1=σ2=0.5μ1=μ2=3.5n1=21n2=28

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: Do you tailgate the car in front of you? About 30% of all drivers will tailgate before passing,…

A: Given information:The size of the passed-by vehicles is n = 8. It is said that it is a random…

Q: The random variable X represents the number of tests that a patient entering a hospital has. Find…

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Q: The probability distribution for the random variable x follows.  Show Steps in Excel x…

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Q: What is the mean (expected value) of online videos watched daily by young adults between the ages of…

A: It is given that the X be the number of videos that a randomly chosen young adult between the age of…

Q: determine if the following is a probability distribution. justify your answer     x  P(x)    0…

A: x  P(x)    0   0.04    1   0.33    3   0.42    4   0.19    5   0.02

Q: The following table gives the probability distribution of a discrete random variable x. 1 3 4 5 6…

A:

Q: Assume the geometric distribution applies use the given probability of success p to find the…

A: Question: Assume the geometric distribution applies use the given probability of success p to find…

Q: Does the given table determine a probability distribution? p(X) 0.48 0.21 0.19 0.08 1 4 elsewhere…

A:

Q: The probability distribution below is for the random variable X the number of credits taken by a…

A: The given probability distribution is:

Q: The probability distribution for X = number of births in a day at a hospital is as follows. Births,…

A: We have to find correct answer..

Q: Suppose x is a random variable best described by a uniform probability distribution with c= 10 and d…

A: X~U(10,50)c=10 , d=50

Q: The random variable X has probability distribution given in the table below: X -1 0 1 2 3 P(X=x) b…

A:

Q: Use the following information for the next 3 questions. The random variable x is the number of books…

A:

Q: The probability distribution below is for the random variable X = the number of credits taken during…

A: From the provided information, Credits (x) 14 15 16 17 Probability P (X) 0.05 0.65 0.20 0.10…

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.