QUESTION 6 The probability distribution of the random variable X is given in the following table. Find Var(X). X 0 1 2 3 4 P(X=x) 0.13 0.29 0.25 0.18 0.15

Q: estion Let X and Y be two discrete random variables with a joint probability distribution given by:…

A: Given that  As per guidelines  answered the first one

Q: estion Let X and Y be two discrete random variables with a joint probability distribution given by:…

A: let X and Y be two discrete random variables with a joint probability distribution given by:…

Q: The data shows the weights of samples of two different sodas. Test the claim that the weights of the…

A: Mean absolute deviation, otherwise called MAD is a measure of descriptive statistics.

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Q: 5. A cinema sells tickets for the opening of "Spider-Man: No Way Home" with 50 seats. From…

A: Given information: Seats in Cinema hall = 50 PNot turn up=0.10PTurn up=1-PNot turn up=1-0.10=0.90…

Q: A random sample of 90 observations produced a mean of x = 34.6 from a population with a normal…

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Q: Example 13.16 An automobile company gives you the following information about age groups and the…

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Q: 1. A manufacturer of scientific instruments produces thermometers that measure the freezing point of…

A: Given Information: Consider the given information in which a manufacturer produces thermometers that…

Q: II. Grouped data. 1. One hundred students took the college entrance examination at XYZ University.…

A: A frequency distribution is a tabular, listed or graphical representation of data that shows the…

Q: Given the two-way table, assess whether the events "9th Grade" and "Walk" are independent. 9th Grade…

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Q: find (a) P(X ≤ 2,Y = 1); (b) P(X > 2,Y ≤ 1); (c) P(X > Y);

A: We have given that the joint probability distribution of X and Y is given by, f(x,y) = (x+y)/30,…

Q: A factory's worker productivity is normally distributed. One worker produces an average of 73 units…

A: Let the first worker output is = x and, Second worker output is  = y For X:  We have, mean =73 ,…

Q: One card is randomly selected from a deck of cards. Find the odds against drawing a seven

A: Since we know that A deck contain 52 cards Number of seven cards = 4 Number of non-seven card = 52 -…

Q: Gian is a teacher, as per her class rule, the probability of not getting an additional points for a…

A: Let X be the number of students who getting an additional points from binomial distribution with…

Q: The average woman's height is 65 inches with a standard deviation of 3.5 inches. What proportion of…

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Q: 5. A cinema sells tickets for the opening of "Spider-Man: No Way Home" with 50 seats. From…

A: Let there are n trials and each having two outcomes - Success and Failure. The trials are…

Q: Show complete solution. A random sample of 25 observations taken from a population that is normally…

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Q: There is a 0.99962 probability that a randomly selected 25-year-old female lives through the year.…

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Q: 1. The average salary of a sales lady in malls in Cebu is P530/day. Assume a normal distribution…

A: Given,mean(μ)=530standard deviation(σ)=92

Q: It refers to test subject's characteristics that can change (or allowed to change). a. Hypothesis b.…

A: Since more than one question has been posted, we are answering the first question.

Q: A manager wants to award prizes for 1st, 2nd and 3rd to his team members according to number of new…

A: Given: A manager wants to award prizes for 1st , 2nd and 3rd to his team members according to number…

Q: dog shelter giving away 19 different dogs, but you have room for only 4 of them. How many different…

A: Given data,No of different dogs n=19you have room for only 4 of them r=4How many different dog…

Q: The probability that an archer hits the target is p = 0.9, so the probability that he misses the…

A: Here's it follows binomial distribution with trial 6 and probability of success 0.9 , probability of…

Q: Model 1 Coefficients Unstandardized Coefficients .139 .056 .355 .245 .311 B Std. Error (Constant)…

A: Given that  Regression analysis table is given We have to interpret the result...

Q: 1. A manufacturer of scientific instruments produces thermometers that measure the freezing point of…

A: Given Information: Consider the given information in which a manufacturer produces thermometers that…

Q: 5. A cinema sells tickets for the opening of "Spider-Man: No Way Home" with 50 seats. From…

A: * SOLUTION :-  (5) Given that ,

Q: 3. There are seven computers available in a computer shop wherein two of them are malfunctioning. If…

A: Obtain the probability of getting at least one of the malfunctioning computers.   The probability of…

Q: 6. In a sports game, the "favourite" is the team with the higher probability of winning and the…

A: In a sports game, the "favourite" is the team with the higher probability of winning and the…

Q: A fabric manufacturer employs a control chart to monitor stained fabric rolls in their production…

A: The objective is to to construct a control chart for stained rolls of fabric. Consider the number…

Q: un Internet sites often vanish or move so that references to them cannot be followed. In fact, 13%…

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Q: The frequency of each type of transaction (in the second column) can be used as the percentage of…

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Q: 2s+: Let X be a discrete random variable with PGF P(s) ) = (²5+¹)*. a. Find the probability…

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Q: Let X and Y be two discrete random variables with the joint probability distribution is given by:…

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Q: The weights of a bag of cement admixture produced by a company is approximately normally distributed…

A: Let X be the weights of a bag  Population mean μ=9, sample standard deviations σ=0.64…

Q: 3. There are seven computers available in a computer shop wherein two of them are malfunctioning. If…

A: It is given that Total computers = 7 Number of malfunctioning computers = 2 Sample size = 2

Q: Consider the following hypotheses: Hg: H ≥ 155 HA: < 155 The population is normally distributed. A…

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Q: 4. Suppose that a sports event, called, 'Palarong UPLB', which is played annually by different…

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Q: On a standardized exam, the scores are normally distributed with a mean of 550 and a standard…

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Q: Draw a probability weighting function which exhibits the certainty effect but not overweighting of…

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Q: Tickets numbered 1-100 are put into a hat, and four tickets are drawn randomly. Once a ticket is…

A: There are 100 tickets and we will select 4 out of these 100. And the total ways in which we can…

Q: If 10% of certain products are found to be defective, using both Binomial and Poisson models, find…

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Q: A researcher measured how far 100 students from York (mean = 30 kilometers, SD = 5.2 kilometers) and…

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Q: Your answer is partially correct. The percentage of titanium in an alloy used in aerospace castings…

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Q: Model 1 Coefficients Unstandardized Coefficients .139 .056 .355 .245 .311 B Std. Error (Constant)…

A: Given that  Regression analysis table is given  We have to interpret the result

Q: random sample of butter of a particular brand has an average fat content of 16 grams and standard…

A: Given that  Population standard deviation =3 Margin of error =E =0.18 92% confidence level.

Q: 1. In rolling two dice, what is the probability of landing same numbers?

A: Since you have posted multiple questions, we are answering the first one. if any doubt, kindly…

Q: Question If a typist makes errors at random at a mean rate of 3 per page, then the probability of…

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Q: s 6 hours a day. If college students were randomly selected, find the probability that the mean…

A: Let X be the random variable from normal distribution with mean (μ) = 6 hours and standard deviation…

Q: 4. A weighted die has a probability of a 6 being p where 0 < p < 1. Chris rolls the die 3 times. Let…

A: The probability of 6 coming up on the weighted die is p. The die is rolled 3 times. The random…

Q: Suppose that on the average a certain type of magnetic tape contains on the average three defects…

A: Given on average 3 defects per 1000 feetfor 1 feet=31000=0.003 defects For 1200 feet the defects is…