Probability Question
Q: A poll was conducted among 250 residents of a certain city regarding tougher gun-control laws. The r...
A: Given, Own only a hand gun Own only a rifle Own a handgun and a rifle Own niether Total Favor...
Q: Suppose the test for Corona is 99% accurate in both directions and 0.3% of the population is Corona ...
A: The Accuracy of the test is 99% both ways that means false positive and false negative percentage is...
Q: The management of Mark's Department Store estimates that approximately 2% of all shoppers enter the ...
A: Given information: P(Shoplifting) = 0.02 P(Not shoplifting) = 0.98 PDetainedShoplifting=0.94 PDetain...
Q: Flip a fair coin. If it is a head, sample U uniformly from (0, 1), and if it is a tail, sample U uni...
A: The probability distribution of a uniform distribution is given by: fx=1b-aa≤x≤b0otherwise So for he...
Q: Approximation Rule P(z0)= 03 P(-1<Z<1)= P(-1<Z<2)= 02 01 P(2<Z<3)= P(-3<Z<1)= 68.2796 95.45% P(0<Z<2...
A: We have given that the Standard normal distribution because Z~N( 0, 1 ).
Q: Give me some examples of an experiments or activities wherein we can apply the computation of probab...
A: Given : Random Variable and random experiment To Find : Computation of probabilities of a random v...
Q: 1. Let X be a random variable with the following probability distribution: 0. 1 2 3 p(x) .228 .243 ....
A: Given data: The given table is, x 0 1 2 3 p(x) .228 .243 .294 .235 (a) The expression for th...
Q: Find the interquartile range for a distribution whose boxplot is shown below. 32 56 69.5 80 99 Answe...
A: Box plot: Box plot is useful to compare the data graphically and it is most appropriate method to kn...
Q: The manager of an ice cream store is interested in examining the relationship between sales of ice c...
A: The slope is, b=SSxySSxx=49.28125.2=0.39361 The intercept is, a=y¯-bx¯=6.56-0.39361×87.4=6.56-34.401...
Q: The average number of employees absent from affirm each day is 4%. An office within the firm has 7 e...
A:
Q: 2. A Engineering team has 120 members, of whom 44 are Electrical Engineers, 30 are Mechanical Engine...
A: Given: n(S)=120 n(E)=44 n(M)=30 n(E∩M)=18
Q: In this group, are the events "Oddems Family" and "Thirteenth Night" mutually exclusive? Choose 1 an...
A: Each of the member is offered one vote about the play they preferred. The percentage of people who v...
Q: Example 1 Let X have the probability density function 2x ,0<x<k f(x) = {kz 0 ,e.w. For what value of...
A:
Q: To play a certain board game, the players roll 3 six-sided number cubes. The probability that the su...
A: Probability,p= 7/72 So q= 1-p= 1-(7/72)= 65/72 n= 648 X~ binomial (648,7/72)
Q: -2 kx 1<x<0
A: The probability density function given is, fx=12kx-2 , 1<x<∞0 , o.w Here X is the random varia...
Q: he length of life -f brand X light bulbs is assumed to be N(M,> 784)• The length of life of brand Y ...
A: Given: σ2x=784σ2y=627nx=56x¯x=937.4ny=57x¯y=988.9
Q: Three urns A, B and C contain 6 red and 4 white; 2 red and 6 white; and 1 red and 5 white balls, res...
A: Probability is a branch of mathematics which is basically deals with the chances of happening an eve...
Q: A sample space contains number of pins of a 12-pin IC that are not functioning. Event ‘unacceptable’...
A: For equally likely outcomes, the probability of favorable event can be given by the ratio of number ...
Q: 2. Alice and Bob are playing a game where in each round, each of them rolls a fair die independently...
A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts fo...
Q: If two dice are rolled, find the probability that the sum of the ice is a) Either 7 or 11 ) One of t...
A: From the given information, two dice are rolled. The total sample space is, The total numbers sampl...
Q: Whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing t...
A: Given data: The numbers of red marbles are r=3. The numbers of the green marbles are g=5. The number...
Q: A medical test is conducted to determine whether someone has a disease. Suppose that 8% of populatio...
A: Using Baye's theorem this question can be answered.
Q: Use the spinner below. It is equally likely that the pointer will land on any one of the numbered re...
A: Given information: The spinner is provided numbered from 1 to 12. So, the total possible outcomes ar...
Q: Let U = {1, 2, 3, 4, 5, 6, 7, a, b, c, d, e}. If A = {1, 2, a, e} and B = {1, 2, 3, 4, a, b, c}...
A: We know, If X is a set. Then n(X) means number of items in that set. And suppose U be an universal ...
Q: A secondary school is offering two extracurricular classes, one in Photography and the other in Swim...
A: There are 250 students in the school. Let A→be the set of students who enrolled in photography class...
Q: a. What proportion of the costs are between $15,000 and $45,000? b. What proportion of the costs are...
A: Given: costs are normally distributed with mean = 30000 standard deviation = 9000 let X be the costs...
Q: 1. What is the probability distribution of quantitative and qualitative data 2.Use the informatio...
A: Let event A represent the ability to detect the disease and event B represents the machine is faulty...
Q: Let X1,..., X,|A be iid Poisson(A), and let A ~ Gamma(a, B), with a, B are known. Give two reasons w...
A: Given information: The probability density function of the random variable X is as given below:
Q: The student registration numbers from 1 to 20 are mixed up and one registration number is drawn out ...
A: Given n = 20 hence n(S) = 20 Probability = favourable outcomestotal outcomes
Q: (Use Hypergeometric Distribution) A lot of 12 compressor tanks is checked to see whether there are a...
A: Number of good bottles = 12 - 3 = 9 P(Lot will be rejected)= P(Getting 1 or more defective in a samp...
Q: Q.7 A combination lock has 35 numbers on it, from zero to 34. Find the probability that if the combi...
A: For solving the counting problems, the multiplication principle states that if a task is completed n...
Q: The average number of hours worked per week for college students is 27, and the standard deviation i...
A: Given: let number of hours worked per week be X number of working hours follow normal distribution m...
Q: I need the answer of question attached. Please use Excel if necessary and show the steps. Thank you!
A: female scatter plot & trend line
Q: If a line has a slope of -3, a line parallel to it has a slope of ? If a line has a slope of -3, ...
A: Note: Hi there! Thank you for posting the question. As there are several independent questions, acco...
Q: (27) Let X be a random variable with p.d.f. x! x = 1,2,3,4 k f(x) = { find (1) k (2) E(x) O.w
A: It is an important part of statistics . It is widely used . Since the question has multiple parts , ...
Q: Let X ∼ Bin (n,π), and Y ∼Bin (n, 1−π). Show that P(X ≤ k) = 1 − P(Y ≤ n − k − 1)
A: PY≤n-k-1=Cn-k-1nπk+11-πn-k-1+Cn-k-2nπk+21-πn-k-2+........+C0nπn1-π0 Note that Cxn=Cn-xn. Hence we ca...
Q: The ages of all females from the freshmen students in Mapua Institute of Technology" is a/an O sampl...
A: Solution: Population: A group of items or things or person under study is known as population. In ot...
Q: Suppose that X is a geometric random variable with parameter π. Show that P(X = n+k|X > n) = P(X ...
A:
Q: 10)The cost per bushel of corn at Farm A is constant. The graph shows the total cost, C, in dollars,...
A: Y = ax + b ============ Where , a = independent variable
Q: possible probability in an experiment?
A: The probability for any event will lie within 0 and 1. p ∈[0,1]
Q: In how many ways can we select 5 cards that should be composed of 2 Kings and 3 Jacks from a deck of...
A: a) Step 1: Total number of kings and ace cards =4 Number of way...
Q: pls help
A: Given: Total number of beds = 300
Q: A classroom is arranged with 8 seats in the front row, 10 seats in the middle row, and 12 seats in t...
A:
Q: In 2017, a website reported that only 10% of surplus food is being recovered in the food-service and...
A: Introduction: Denote p as the true population proportion of surplus food that is being recovered in ...
Q: last?dep=26418811 Suppose data made available through a health system tracker showed health expendit...
A:
Q: A classroom is arranged with 8 seats in the front row, 10 seats in the middle row, and 12 seats in t...
A:
Q: The pdf of the Gaussian distribution N(0, 1) is given by 1 2T Show that ſ f (x)dx = 1. Hint: Use the...
A: Given that the probability density function of a Gaussian distribution N(0, 1) is; f(x)=12πe-x22, x∈...
Q: Given the probability density function of X : -1sxs0 2 S« (x)=< x20 a. Find the probability density ...
A: a) The given function is fX(x) = 12-1≤x≤012e-xx≥0 The probability density of Y = X2 is as follows: ...
Q: Analyze: write an analysis of the relative frequency table. Female Male Total Agre...
A: Given Data : There is a slight correction at intersection of Disagree and Male, it is 0.02 Fem...
Q: 3.40 In the game of craps, two dice are rolled. If the first roll is a 7 or an 11, the player wins. ...
A: Two dice are rolled Player wins if first roll is 7 or 11 Player loses if first roll is 2, 3, 12 Let ...
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