If two fair dice are rolled, find the probability of the following result. A double, given that the sum was 5.

Q: It has been determined that on average, the attention time of a person in the customer service of a…

A: here given,   attention time of person on given condition is 12 minute. it follow Poisson…

Q: Find P(F | B) and P(E | A) using the tree diagram. (Round your answers to three decimal plac P(F |…

A:

Q: From observations of the weather, it is known that on October 20 the probability of rain is 0.85. A…

A: Solution: From the given information,

Q: How do you find the median of X?

A:

Q: A prospective study with a 2-year (24-month) follow-up was conducted. Results are shown in the table…

A: Given the survival data for 20 participants of hypothetical prospective study with a 2-year…

Q: 1. In an Oreo factory, the mean mass of a cookie is given as 40 g. For quality control, the standard…

A: As per our guidelines we are suppose to answer only one question kindly post the remaining questions…

Q: question 7 Box A contains 2 white and 4 Black balls. Another box B contains 3 white and 5 black…

A: Given,Box A:no.of white balls=2no.of black balls=4Total no.of balls=6Box B:no.of white balls=3no.of…

Q: If AUC-BUC, then ( A A-C-B-C BC-A-C-B C ANB-ANC D A-B

A: Formula :  (A U B) = A + B - (A ∩ B)

Q: A student has 3 volumes of short stories and 2 novels on a bookshelf. She selects 3 books at random…

A: It is given that  Volume of short stories = 3 Novels = 2 Total books = 5 Here, n = 3 ( selected ) is…

Q: Which diagram represents the event (BUC)-A? A В A A C B B

A: In question, There are three events A, B & C given and we have given some Venn diagram then…

Q: Suppose that 11% of a certain batch of calculators have a defective case, and that 12% have…

A: P(Case defective)=11%, P(Battery defective)=12%  P(both defective)=5%

Q: There are two spinners containing only black and green slices. Spinner A has 6 black slices and 10…

A: We have given that Here spinner A has 6 black and 10 green slices And B has 5 black  and 5 green…

Q: 2.) A couple has narrowed down the choice of a name for their new baby to 4 first names and 5 middle…

A: Given A couple has narrowed down the choice of a name for their new baby to 4 first names and 5…

Q: Property of memory loss. Let X be a random variable with geo(p) distribution. Show that for any…

A: Given that

Q: Hospitals typically require backup generators to provide electricity in the event of a power outage.…

A: Given info: The emergency backup generators fail 41% of the times when they are needed.

Q: From a deck of 36 cards, three are taken at random, find partial information from the message:…

A: Given that there are total 36 cards in a deck. In a deck, there are 4 cards of number 6, 4 cards of…

Q: ad answer the following O 2.4 15565 3 4 Σ* x 5 8 7 4 3 9 x-μ (x-μ)² Σ(x-μ)² = = 36 of sick days…

A: GIVEN DATA ,  value of  x is  given in the question  no.1we have to find out the nrangepopulation…

Q: #4: Given f(x,y)=2-x-y. a) Find marginal of X [i.e. g(x)]. b) Find marginal of Y [i.e. h(y)]. c)…

A: Note: Hey, since multiple subparts are posted, we will answer first three subparts according to our…

Q: A disc jockey​ (DJ) has 11 songs to play. Six are slow​ songs, and 5 are fast songs. Each song is to…

A: Given There are 11 songs to play

Q: blue bricks. Determine the probability of randomly selecting a Chrome-Black brick. Express this…

A: It is given that  Red bricks = 190 Yellow bricks = 320 Blue bricks = 250 Chrome-black bricks = 30…

Q: Formulate the null and alternate hypotheses for the following situations. (identify the correct…

A: The average farm size in a predominantly rural state is 280,851.8.

Q: Sales delay is the elapsed time between the manufacture of a product and its sale. According an…

A: Given information: μ=2.06σ2=0.03 Determine the mean and standard deviation of the given distribution…

Q: Determine, using the Poisson form

A: Given,   mean λ= 5 P(during the next 5 years that at most two shoes will be defective) =?…

Q: Suppose the annual rainfall in the Southern California (in inches) is normally distributed with mean…

A: The mean is 10 and the variance is 25. The standard deviation is √variance=√25=5.

Q: On the basis of data collected from metal shredders across the nation, the amount x of extractable…

A: Given,A random variable X~Exponential(θ=12.5)f(x)=12.5e-x2.5         ;  x≥0

Q: population has a mean=77 and a standard deviation =27 find the mean and standard deviation of a…

A: given data, μ=77σ=27n=81mean and standard deviation for the sampling distribution of sample means…

Q: s can this be done, if the order of the choices is taken into s can this be done, if the order of…

A: Given Suppose we want to choose 2 letters, without replacement, from the 4 letters A, B, C, and D.

Q: Exercises 1. Invent an interesting and original distribution for a discrete random variable X that…

A: X={2,5,8,11,14,17}  Values are taken randomly so every element will have equal probability :…

Q: A special deck of 20 cards has 5 that are red, 5 yellow, 5 green, and 5 blue. The five cards of each…

A: 5  red,  5 yellow,  5 green, 5 blue.   total 20 cards  each colour card numbered 1 to 5.  P(3 or 5|2…

Q: The graph shows the relationship between the number of cars on a certain road and the time of day…

A: The graph showing relationship between the number of cars on a certain road and the time of the day…

Q: The random variable X is normally distributed such that X~N(휇, 12). It is known that 푃(푋 > 32) =…

A:

Q: The average daily high temperature in June in LA is 78°F with a standard deviation of 8°F. Suppose…

A: given data, normal distribution μ=78σ=8normal distribution we have to find out the given…

Q: 10. Let (X, Y) have the joint p.d.f. given by: {1 1, if yl <x, 0<x< 1 otherwise Show that the…

A:

Q: Dystopia county has three bridges. In the next year, the Elder bridge has a 14% chance of collapse,…

A:

Q: Statement I is FALSE. Total Sum is 265, no 260. Please check it and answer again Thanks

A: It is given that the solution of three statements of the given problem.

Q: A security company has established, from its statistics, that every time one of its alarms sounds,…

A: From the provided information, The probability that the event is really an emergency is 35% that is…

Q: How do I convert this to a fraction?

A: Probability= favorable/total  NCr = N!/(r! * (N-r)!)

Q: To evaluate the effectiveness review sessions, a professor gave a pre-test before the review, and a…

A: 1. Suppose μd̄ is the difference of the population mean of post-test (x2) and pre-test (x1) scores.

Q: P((0)) ==P((1)). les X and Y that have the same distribution (i.e. the same probabi X(w) #Y(w) for…

A:

Q: pianist plans to play 4 pieces at a recital from her repertoire of 26 pieces. How many different…

A: given data, A pianist plans to play 4 pieces at a recital from her repertoire of 26 pieceswe have to…

Q: 7.) Several years ago, the US began running out of telephone numbers. Telephone companies introduced…

A: Introduction: It is known that US telephone numbers have 3-digit area codes.

Q: 7.12 Let X be the amount of premium gasoline (in 1,000 gallons) that a service station has in its…

A:

Q: A rondom Variable x takes value X; with Probability Pi with i=1N labelling all possibilities. The…

A:

Q: A special deck of 20 cards has 5 that are red, 5 yellow, 5 green, and 5 blue. The five cards of each…

A: Total=20 cards  Red=5 Yellow=5 Green = 5 Blue= 5  Probability=favorable/total

Q: The Arab Youth Survey showed that a 95% confidence interval of the proporrtion of young Arabs who…

A: From the provided information, Confidence level = 95% The confidence interval is (0.4973, 0.5942).

Q: IV. A beauty product maker hired and dispatched a professional marketing analyst to several shopping…

A: From the given information we find the sample size.

Q: The number of x people entering the intensive care unit (ICU) at a particular hospital on any given…

A: From the provided information, The number of people (x) follows Poisson distribution with mean rate…

Q: Find: (a) P(R3 I Q)  (b) P(R1' I Q)

A: It is given that P(R1) = 0.15, P(R2) = 0.55, P(R3)= 0.30, P(Q I R1) = 0.40, P(Q I R2)= 0.20, P(Q I…

Q: Q: Does an inverse distribution occur at room temperature?

A:

Q: Find the mean and standard deviation for the data set: Mean= type your answer... Standard deviation…

A: Given data is6,8,12,10,9,11,7,8sample size(n)=8