Use the probability distribution for the random variable x to answer the question. 2 3 4 p(x) 0.12 0.35 0.35 0.06 0.12 What is the probability that x is greater than 2?

Q: Which of the following is a discrete random variable? The number of times you visit the social media…

A: A discrete random variable that takes only a finite number of distinct values. It usually takes the…

Q: The discrete random variable Xhas the probability distribution given by: 7 9 12 13 15 P(X=x) u/2…

A: The discrete random variable x has the probability distribution function given by, X=x 7 9 12 13…

Q: Application Try for your self: The age of parent that arrive in the emergency room of a certain…

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Q: The random variable x represents the number of cars per household in a town of 1000 households. Find…

A: 1) Let , x be the number of male birth. The male and female births are equally likely.  i.e  p= 0.5…

Q: The random variable x represents the number of cars per household in a town of 1000 households. Find…

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Q: A population proportion is 0.58. Suppose a random sample of 658 items is sampled randomly from this…

A: Let p be the population proportion. The given sample size is 658 and proportion proportion is 0.58.…

Q: a. What is the distribution of X? X - N( b Find the probability that the college graduate has…

A: Given: μ=25000σ=10900

Q: Austin decided to give Taylor Swift another chance. So, he listened through all her songs from 2009.…

A: Note: Thank you for the question. Since multiple subparts are posted, according to our policy, we…

Q: sampiing the sample is an unbiased estimator. shows the distribution of all possible values of u. is…

A: The sample mean is used to estimate the population mean.

Q: a) The table beloW shows the probability distribution Of the discrete random variable X. X 3 4 5 7…

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Q: Experience has shown that 15% of municipal rates bills contain an estimated amount for electricity…

A: It if provided that 15% of municipal rates bills contain an estimated amount for electricity usage.…

Q: a. What is the distribution of X? X N( b. Find the probability that the person is between 63.7 and…

A: a. The random variable X is height of the individual which follows normal distribution with mean 68…

Q: Marketing analysts have determined that a particular advertising campaign should make at least 20%…

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Q: In this exercise, the random variable n represents the number of units of a product sold per day in…

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Q: The table shows a discrete probability distribution: Find: a) The value of m b) (3P(x) < 5) c)…

A: Note: According to Bartleby Expert guideline, we can answer only first three subparts of a question…

Q: Construct a probability distribution table if we let X the random variable be the number of boys in…

A: Given,A family has 3 children.P(a boy)=12P(a girl)=12 Let X=no.of boy childrens in a…

Q: Births in a hospital occur randomly at an average rate of 1.8 births per hour. Construct the…

A: given  Births in a hospital occur randomly at an average rate of 1.8 births per hour. it follows…

Q: a) what is the P(x≤3) (b) P(2≤x≤3).

A: Since , the coin is tossed 4 times. Our aim is find the following :  a)P(X≤3) (b) P(2≤X≤3)

Q: Construct and illustrate the probability distribution of the problem below.

A: here given,  An experiment consists of studying the number of boys in families with exactly 2…

Q: mean of the probability distribution on the random variable

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Q: A naturalist whale watch trips every morning in March. The number of whales seen has a mean of 4.1.…

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Q: A population proportion is 0.59. Suppose a random sample of 661 items is sampled randomly from this…

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Q: A population proportion is 0.59. Suppose a random sample of 661 items is sampled randomly from this…

A: From the given information, p=0.59 n=661 d) The probability that the sample proportion is between…

Q: Find the value of the following binomial probability distribution. Leave the answer as a number…

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Q: a. What is the distribution of X? X ~ N b. What is the distribution of ? - N c. For a single…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: A random variable is normally distributed with u = 50 ando? = 25. Find the probability (i) that it…

A: Given: Population mean μ=50 Population variance σ2=25 Let X ~ N (50, 25)

Q: (x-44) (x-1)** P(x) X P(X) X * P(X) x-u 35 0.10 36 0.20 37 0.30 38 0.30 39 0.10

A: Given: The data of the number of boxes of pandesal that are delivered each day is given. The value…

Q: II. Solve the problem below. 1. Let X represent the number of times Norman visits an Internet Cafe…

A: According to the question we have to find E(X) = ? Part(1) : E(X) = ? xi.f(x)…

Q: (c) Probability extension: What is the probability that both dice will show an even number? (Round…

A: (c) When a two dice are rolled the favorable outcomes are,…

Q: Q.3.2 Experience has shown that 15% of municipal rates bills contain an estimated amount for…

A: It is given that it is well known, 15% of municipal rates bills contain an estimated amount for…

Q: Based on the proble , observe, analyze and answer the following questions: c. Illustrate a…

A: We have to illustrate a probability distribution. So I will illustrate Binomial distribution ( a…

Q: what would you conclude?

A: Answer: Given p value = 0.003 α = 0.05 It is two tailed test

Q: Q-6 What is the sample space of tossing an unbiased coin three times. find the probability function…

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Q: People end up tossing 10% of what they buy at the grocery store. Assume this is the true population…

A: Sampling Distribution of Proportion: From the information, given that about 10% of People end up…

Q: D.) True or False? The probability that Taylor Swift complains about a boy in at least 2 songs…

A: Let the random variable X be the number of songs in which she complained about some boy. The…

Q: A Food Marketing Institute found that 25% of households spend more than $125 a week on groceries.…

A: Introduction: Denote p̂ as the observed proportion of households that spend more than $125 a week on…

Q: Solve the problem. Write your solution in the space provided. 1. Let X represent the number of times…

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Q: The random variable x represents the number of cars per household in a town of 1000 households. Find…

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Q: Johnnie is studying the rate of magnitude of a hurricane. She wants to calculate the probability…

A: Johnnie is studying the rate of magnitude big a hurricane.she wants to calculate the probability…

Q: The random variable x represents the number of cars per household in a town of 1000 households. Find…

A: x represent the number of cars per households cars(x) Households (f) 0 130 1 423 2 244 3…

Q: a. What is the distribution of X? X ~ N( 25850 10900 b Find the probability that the college…

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Q: A tube of listerine tartar control toothpaste 4.2 ounces. As people use the toothpaste the amount…

A: Given,A random variable X~Uniform distributionf(x)=14.2   ; 0≤X≤4.2 and CDF  of X…

Q: Answer- 5. Which of the following is not a condition of the binomial distribution? a) Only 2…

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Q: 2. The probability distribution below shows the random variable and the probability of tossing a…

A: The variance of Z is calculated as V(Z) = E(Z2) - (E(Z))2 And SD = √(V(Z))

Q: Richard has just been given a 10-question multiple-choice quiz in his history class. Each question…

A: (a) The binomial distribution is a discrete probability distribution in which there are a fixed…

Q: Surgery has a success rate of 80% . suppose that the surgery is performed and 3 patients . A)what…

A: Givenp=0.80n=3Let "x" be the the surgery is successfulx~Binomial(n=3,p=0.80)P(X=x)=(nx)×px×(1-p)n-x

Q: Bill Dorfman is a champion shooting marksman with the Canadian Armed Forces. From 100 yards he can…

A: As per the guidelines we are allowed to solve maximum of 3 subparts If you need help with another…

Q: Do you tailgate the car in front of you? About 25% of all drivers will tailgate before passing,…

A: It is given that sample size n =11 and the probability of drivers will tailgate before passing…

Q: At a Raffle, 1000 tickets are sold at $5 each. There are 20 prizes of $100, and 1 grand prize of…

A: The number of tickets is 1000 and is sold at $5 each.The number of grand prizes is only one with…