A computer selects a number XX from 4 to 12 randomly and uniformly. Round all answers to 4 decimal places where possible. What is the distribution of XX? XX ~ U(,) Suppose that the computer randomly picks 37 such numbers.  What is the distribution of ¯xx¯ for this selection of numbers. ¯xx¯ ~ N(,) What is the probability that the average of 37 numbers will be less than 7.4?

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A:

Q: A computer selects a number XX from 3 to 11 randomly and uniformly. Round all answers to 4 decimal…

A: From the provided information, X~U (a, b) that is X~U (3, 11) Here a = 3 and b = 11

Q: The number of cars sold per day in a car sales follows a Poisson distribution with parameter λ=2. If…

A:

Q: A computer selects a number XX from 2 to 7 randomly and uniformly. Round all answers to 4 decimal…

A: X~ Unif(a,b)  Then , Mean = (a+b)/2

Q: A computer selects a number XX from 1 to 7 randomly and uniformly. Round all answers to 4 decimal…

A:

Q: A square with side length 8 is colored white except for 4 black isosceles right triangular regions…

A: To find the probability, we look at the success regiontotal possible region. For the coin to be…

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Q: A computer selects a number XX from 2 to 10 randomly and uniformly. Round all answers to 4 decimal…

A: It is given that a =2 and b =10.

Q: Assume that when adults with smartphones are randomly selected, 43% use them in meetings or classes.…

A: According to binomial theorem for n number of random experiments having only two independent events…

Q: A computer selects a number X from 2 to 9 randomly and uniformly. Round all answers to 4 decimal…

A: a. The distribution of X then X follows U(2,9) . b. Now the mean of Uniform(2,9) distribution is…

Q: If there are 350 people at a town meeting, find the probability that at least 100 favor construction…

A: Given: p = 0.34 x = 100 n = 350 The sample proportion can be calculated as: The corresponding z…

Q: The number of hits to a website follows a Poisson process Hits occur at the rate of 7.0 per minute…

A: From the given information, the number of hits to a website follows a Poisson process. X denotes…

Q: A computer selects a number X from 0 to 6 randomly and uniformly. Round all answers to 4 decimal…

A: Solution: 1. From the given information, X follows uniform distribution with parameters a=0 and b=6.

Q: The unemployment rate in a city is 14%. If 7 people from the aity are sampled at random, find the…

A: Given that  Unemployment rate in city (P)= 14% = 0.14 (1-P) = 1-0.14 = 0.86 Random sample size (n) =…

Q: Suppose that the random variable X has the discrete uniform distribution S 114, x = 4, 5, 6, 7. f(x)…

A: P(X>5.7)= ?

Q: The incidence of a certain disease is such that on the average 20% of workers suffer from it. If 10…

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Q: Assume that the weight loss for the first month of a diet program varies between 4 pounds and 11…

A: Let 'X' be the random variable representing the weight loss in the first month of the diet program.…

Q: The probability that a person has a is 2%. Using the Poisson distribution; calculate the probability…

A: Given information: P(Tissue) = 0.02 n = 150 x = 2

Q: In a recent year, a hospital had 4222 births. Find the mean number of births per day, then use that…

A: Probability distributions are of 2 types, discrete and continuous. Poisson distribution is a…

Q: A computer selects a number XX from 3 to 9 randomly and uniformly. Round all answers to 4 decimal…

A:

Q: A computer selects a number XX from 1 to 8 randomly and uniformly. Round all answers to 4 decimal…

A: (1)The distribution of X follows uniform. That is, X~U(a,b). where a is the lowest value of X and b…

Q: A computer selects a number XX from 3 to 11 randomly and uniformly. Round all answers to 4 decimal…

A: Given Numbers from 3 to 11

Q: The probability that a part produced by a certain factory's assembly line will be defective is…

A: Givenp=0.039n=45x~Binomial(n=45,p=0.039)P(X=x)=(nx)×px×(1-p)n-x   ; x=0,1,...,n

Q: Today, the waves are crashing onto the beach every 4.8 seconds. The times from when a person arrives…

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Q: A computer selects a number XX from 5 to 11 randomly and uniformly. Round all answers to 4 decimal…

A: Note: Hi there! Thank you for posting the question. As there are several independent questions,…

Q: A computer selects a number XX from 4 to 10 randomly and uniformly. Round all answers to 4 decimal…

A: Let,  computer selects a number X from 4 to 10 randomly and uniformly. If X~U(a,b) then,…

Q: A computer selects a number X from 3 to 11 randomly and uniformly. Round all answers to 4 decimal…

A: Solution: Let X be the computer selects number from 3 to 11  n= 40 random number

Q: During a certain time of the day, the wait time for getting picked up by an Uber driver is uniformly…

A: Given : U~a,b = U~0,9 a = 0 b = 9

Q: A computer selects a number X from 4 to 10 randomly and uniformly. Round all answers to 4 decimal…

A: Solution: Let X be the computer number from 4 to 10 n= 38 random number

Q: The number of defective components produced by a certain process in one day has a Poisson…

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Q: The light bulbs produced by a generic manufacturer have a stated average life of 1,146 hours. Assume…

A: Let, X=The lifetime of a light bulb Given that X follows a normal distribution with mean=1146 and…

Q: Assume that when adults with smartphones are randomly​ selected, 64​% use them in meetings or…

A: X~B9,0.64PX=x=ncxpxqn-x

Q: A computer selects a number X from 1 to 7 randomly and uniformly. Round all answers to 4 decimal…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: A survey of all medium and large sized corporation showed that 61% of them offer retirement plans to…

A: Given data, n=54 p=61% =0.61   Condition for normal approximation is…

Q: A computer selects a number X from 2 to 9 randomly and uniformly. Round all answers to 4 decimal…

A:

Q: a. Find the probability distribution of Y, the number of 1-second time intervals until  a complete…

A: Ans.  Let Y be the random variable associated with the number of 1 -second time interval . And let…

Q: uppose that 72% of Veterinary School graduates who take the licensure exam for their state pass the…

A: p =0.72 n = 150 z-critical value at 0.75 = 0.6745

Q: A computer selects a number X from 2 to 7 randomly and uniformly. Round all answers to 4 decimal…

A:

Q: Assume that when adults with smartphones are randomly selected, 43% use them in meetings or classes.…

A:

Q: A computer selects a number XX from 3 to 10 randomly and uniformly. Round all answers to 4 decimal…

A:

Q: A purchaser of electric relays buys from two suppliers, A and B. Supplier A supplies two of every…

A: Given problem Given that   A purchaser of electric relays buys from two suppliers , A and B.…

Q: A computer selects a number X from 4 to 11 randomly and uniformly. Round all answers to 4 decimal…

A: Solution: a. Let X be the number. From the given information, X follows uniform distribution with…

Q: Assume that when adults with smartphones are randomly selected, 43% use them in meetings or classes.…

A: Given datan=5p=43%

Q: From a box containing four 5-Peso coins and three 10-Peso coins, three coins are selected at random…

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Q: computer selects a number XX from 3 to 9 randomly and uniformly. Round all answers to 4 decimal…

A:

Q: A computer selects a number XX from 1 to 8 randomly and uniformly. Round all answers to 4 decimal…

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Q: A computer selects a number XX from 4 to 9 randomly and uniformly. Round all answers to 4 decimal…

A:

Q: cts a number XX from 4 to 10 randomly and uniformly. Round all answers to 4 decimal places where…

A: As the distribution is uniform, and a = 4 and b = 10. 1. X~ U(a, b) X~ U(4, 10) 2.  The mean…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.