What is the formula for finding the probability of getting the sum of 20 when rolling three 20-sided dice

Q: Suppose that the number of drivers who travel between a particular origin and destination during a…

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Q: A regional government is interested in expanding the facilities of a day care center for mentally…

A: Given information: It is given that stratified sampling is used with people in the city using the…

Q: In this type of sampling technique, the population is subdivided into at lea different subgroups…

A: Stratified sampling: When the units in the population are divided into subgroups and then the sample…

Q: It would be appropriate to use the normal approximation to the binomial distribution in a situation…

A: The following information has been provided: n=20p=0.80

Q: (8) A company produces X bulbs per day. If E(X)= 1000 and var (X) = 100, then P(900 < X < 1100) is…

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Q: 2. Suppose = {a, b, c, d} and that {a} is an event. (a) What sets must be in F? That is, what other…

A: Given that Ω = {a,b,c,d} and that {a} is an event.

Q: Among the information below, determine if either discrete and continuous random variables. ▪ Total…

A: Here we have given the question, we have to identify the given variables is discrete or continuous…

Q: e function f(x, y) = (x + y) is a joint probability density function over the range 0<x<3 and x…

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Q: 4. In a game, if after tossing a coin the outcome is head, you have to toss it again. If the outcome…

A: We have game in which we toss a coin. If outcome is head then we toss the coin again nd if the…

Q: total number of gift items received, what is the probability that you will get the following gift…

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Q: (7) The median of the random variable X whose probability density function 3 {x- 2 is: (a) 0.5 f(y)…

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Q: 5. Mammograms are 80% effective in detecting breast cancer. However, their false positive rate is…

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Q: help replicating this example about the central limit theorem in R  The idea is to develop a code…

A: Dice experiment is conducted using simulation with R The experiment is conducted for different count…

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

A: a. The data related to drive thru restaurant orders are given.

Q: An article proposes the Weibull distribution with a = 1.807 and ß = 0.803 as a model for 1-hour…

A: Please note that as per our guidelines if multiple sub parts are there in a question we can answer…

Q: In cleaning out your old exactly 11¢ of postage? Can you make exactly 19¢ of po

A: Given 3 cents stamps7 cents stamp Multiples of 3 are 3,6,9,12,15... Multiples of 7 are…

Q: Each year Money magazine publishes a list of "Best Places to Live in the United States." These…

A: Data is given First we will arrange data Than we will calculate first and third quartile And iqr…

Q: i will resubmit and please answer the remaining question

A: Given that  Joint probability mass function of X and Y is    p(x,y) y = 0 y = 1 y = 2 x = 0…

Q: Exercise 3.10.23. [S][Section 3.3][Goal 3.2] How long is a year? In Fermi problems we often use 400…

A: Given  In Fermi problems we often use 400 days/year to make the arithmetic easier.

Q: You need to ship a parcel to New York. The shipment must be delivered in five working days. If USPS…

A: Probability: Probability helps in knowing the likelihood of occurring an event. For example, A…

Q: Verify that this is a probability model. B.) Use Benford’s Law to determine the probability that a…

A: Given that  Digit     Probability1            0.3012            0.1763            0.1254…

Q: Heart failure is due to either natural occurrences (88%) or outside factors (12%). Outside factors…

A: Let X : heart failure is due to outside factors. p(x)=0.12 n=20

Q: A shipment of 12 television sets contains 3 defective sets. In how many ways can a hotel purchase 5…

A: Given that 12 television sets contains 3 defective sets. We have to find  how many ways can a hotel…

Q: How many four-letter code words are possible using the letters in IOWA if, (a)The letters may not…

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Q: The Determine the cumulative distribution function for the distribution. answer please thank you.

A: Cumulative density function is used to determine the sum of the probability value. Probability…

Q: (8) Let X-b(n,p), with E(X) = 6 and var (X) = 4.2, then P(X ≤ 6) = 0.608.

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Q: ability that at least one of the events occur is mutually independent events and that P(A) = 0.3,…

A: It is given that  Red balls = 3 Black balls = 5 Total balls = 8

Q: For Problem 19.27 , determine the probability (assuming normal distribution) that a car would need…

A: Given: Kilometers driven before engine maintenance (x) Frequency 70000 12 80000 17 90000…

Q: 1-4x 10) If a random variable assumes 4 values with probability 1+3x 1-x 1+2x and ¹-4 4 4 4 the…

A: Here for given probability check whether using value of x total probability is equal to 1 and all…

Q: 4. In a game, if after tossing a coin the outcome is head, you have to toss it again. If the outcome…

A: Given First outcome is head toss again (H, H), (H, T) First outcome is tail throw die (T,…

Q: Direction: Solve the following problems in the space provided. Let the continuous density function…

A: Given information: ft=kt, 0≤t≤2 The value of k is calculate below: ∫02ftdt=1∫02ktdt=1kt2202=1k2*4=1…

Q: Use the spinner below to find the probability of getting the following number after 1 spin. 11 10 9…

A: The objective is to find the probability of getting an even number after one spin. Probability is…

Q: How do rates help you describe real-life problems

A: First understand definition of rate  * Rate is used for the comparison of two measurements of…

Q: A service station has both self-service and full-service islands. On each island, there is a single…

A: Given Information: X denotes the number of hoses being used on the self-service island at a…

Q: In a game, if after tossing a coin the outcome is head, you have to toss it again. If the outcome is…

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Q: According to PSA, the probability of a randomly selected 90-year old Filipino survives for at least…

A: Given information: n=20p(success=survive another year)=82% or 0.82q(failure= not survive another…

Q: What is the probability that all three components function properly throughout the warranty period?…

A: As per bartleby guidelines we can solve only first three subparts and rest can be reposted

Q: Then P (X + Y ≤ 1|x ≤) is:

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Q: These measures give a range where a certain percentage of the data fall. O Measures of Central…

A: Statistical measures: These are the techniques or tools or mathematical formulae which can be used…

Q: Which of the following is an example of ratio level data? Cars described as compact, midsize, and…

A: It is given that some examples related to the ratio level data. Here, need to find out the correct…

Q: If x is N(0,2) find (a) P{1£x£2} and (b) P{1£x£2x³1}

A: Given that,  X~ N(0,2)  Where, mean of x= 0  Standard deviation of x= 2 We know that, z-score=…

Q: How many different license plates are possible if a state issues, (a) Two letters followed by a…

A: Here we have to find How many different license plates are possible if Two letters followed by a…

Q: If a study determines the difference in average salary for subpopulations of mechanical engineers…

A: Given that If a study determines the difference in average salary for subpopulations of mechanical…

Q: A sample of blood pressure measurements is taken for a group of adults, and those values (mm Hg) are…

A: Coefficient of variation formula :  CV = sx¯×100 Where ,  s is sample standard deviation  s =…

Q: Out of the letters P, Q, R, x, y and z, the arrangements can be made beginning and ending with a…

A: Given information: Total no. of letters=6Total no. of Capital letters=3(P,Q,R)Total no. of small…

Q: Write a probability word problem whose answer is one of the following fractions: 1/6 or 1/4 or 1/3.

A: Probability: Probability is defined as the chance of any event occurs. It is generally computed to…

Q: If a study determines the difference in average salary for subpopulations of mechanical engineers…

A: We are given that, a study determines the difference in average salary for subpopulations of…

Q: 1. Tossing a Die Successive tossing of a die can be modeled as a stochastic process: X1, X2, : (2,…

A: Stochastic Process: A stochastic process is a family or set of random variables(ordered). The order…

Q: In a study of helicopter usage and patient survival, among the 56,182 patients transported by…

A: It is given that there are 56,182 patients transported by helicopter in which 183 of them left the…

Q: The probability of Uber X arriving at the airport at or before your planned arrival time is 0.85.…

A: Given Information: The probability of Uber X arriving at the airport at or before your planned…