Probability Question
Q: A sample of 14 small bags of the same brand of candies was selected. Assume that the population dist...
A: Here 'x' is the random variable under consideration i.e. 'weight of each bag of candies'. x¯= sampl...
Q: The downtime per day for a certain computing facility has averaged 4.0 hours and a standard deviatio...
A: Let us assume X=downtimen=sample size=20So, X¯ follows a normal distribution with mean=4 and standar...
Q: 9. The CDC estimates that a non-infected person has a 10% chance of contracting mumps from an infect...
A: Given that 10% chance of contracting mumps from an infected person. So a person may get mumps after ...
Q: P(z>1.45)
A: Obtain the area to the right of the z-score 1.45 under the standard normal curve. The area to the ...
Q: Consider a triangular pyramid ABCD the position vector of whose angular points are A(3,0, 1) B(-L 4,...
A: Given data: The given position vector of A is (x1 y1 z1)= (3,0,1). The given position vector of B is...
Q: Find the probability that the sum is as stated when a pair of dice is rolled. (Enter your answers as...
A: The possible number of outcomes, when a pair of dice is rolled is 36 Sample space, S=1,1,1,2,1,3,1,4...
Q: Problem on the picture
A: Since you have posted a question with multiple subparts, we will solve first three parts for you. If...
Q: In a survey of 2250 adults, 732 say they believe in UFOs. Construct a 99%confidence interval for th...
A: The sample proportion of adults who believe in UFOs will be The critical value from the normal di...
Q: A company gives each worker a cash bonus every Friday, randomly giving a worker an amount with these...
A: Given: Company bonus for employees.
Q: Juliet is studying the change in the amount of chemical (in grams) present in her solution as time (...
A: Given, The given regression line is, Coefficient of determination,
Q: A research center claims that 30% of adults in a certain country would travel into space on a comme...
A: One sample proportion test is used to compare the proportion of values in given sample of data to po...
Q: Consider a game in which a player rolls one die. If an odd number comes up, the player wins the numb...
A: We make a table using the given information Outcome 1 2 3 4 5 6 Profit (xi) 1 -2 3 -4 5 -6 Pr...
Q: Please solve the screenshot, thanks!!
A: Given that, Sample size n=518 Sample mean x¯=1427 Sample standard deviation s=327 Critical value: Th...
Q: The 3 month demand for a spare car part has the following probability mass function: x 0 1 2 p(...
A: Given Data: x 0 1 2 p(x) 0.25 0.5 0.25 a) The expression to calculate the probability of at ...
Q: A student is selected at random from a group of 200 students. In which 135 take math, 85 take englis...
A: Given data: Total number of students =200 Number of students who took Math = 135 Number of students ...
Q: Calculate the desired probability. In each case the sample is normally distributed. Sketch a graph i...
A: Let X=the variable Given that X follows a normal distribution with mean= 128 and the standard deviat...
Q: The mathematical expression () (read 6 choose 4) numerically results in (а) 1.5. (b) 10. (с) 15. (а)...
A: Given
Q: Problem 1. Suppose that X - N(3,0.16). Find the following probabilities. (1). Р(X > 3) (2). P(X > 3....
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...
Q: A restaurant will select 1 card from a bowl to win a free lunch. Jo puts 5 cards in the bowl. The bo...
A: Given: Favourable cases = 5 cards in the bowl Total cases = 100 cards in the bowl chose one card fr...
Q: Office Equipment, Inc. (OEI) leases automatic mailing machines to business customers in Fort Wayne, ...
A: The arrival rate for each customer per hour is: Mean arrival rate:λ=150λ=0.02 callshour The service ...
Q: For a triangular distributed function with minimum value= 0, maximum value = 6, and mode = 3 of the ...
A:
Q: 6.11 Refer to the data in Table 2.13. Regard this hospital as typical of Pennsylvania hospitals.Comp...
A: From the given information, Sample size n =25 Using EXCEL function, “AVERAGE(A1:A25)”, the Sample me...
Q: A sample of n = 25 scores is determined to have a standard error of 2 points. What is the standard d...
A: The standard error of 2 points, and sample size is 25 scores.
Q: 3. Suppose that three random variables X1, X2, and X3 have a continuous joint distribution with the ...
A: It is an important application in statistics . It is widely used in all the statistical procedures .
Q: Q5. A,B,C,D. Q6. Q5
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...
Q: A media personality argues that global temperatures are not rising, because every year an increase i...
A: A margin of error tells us how many percentages points our results will differ from the real populat...
Q: # An animal shelter has a 65% adoption rate for puppies. Of all puppies in the shelter, 75% live to ...
A: Given: Animal shelter has a 65% adoption rate for puppies. 75% of puppies that remain in shelter liv...
Q: Scores on an IQ test are normally distributed with a mean of 100 and a standard deviation of 15. wha...
A: Given Information Mean µ = 100 Standard deviation(σ) = 15 IQR = Q3 – Q1
Q: A club with 29 members is to select a committee of five persons. In how many ways can this be done?
A: In a committee, we select the persons as a group. So the arrangement does not matter. So we will use...
Q: A boy owns 7 pairs of pants, 2 shirts, 20 ties, and 7 jackets. How many different outfits can he we...
A:
Q: The thickness of a wooden shelf in mm, has probability density function f(x) = {0.75 – ...
A: Given probability density functionf(x)=0.75-0.75(x-5)2 4≤x≤60otherwise 1.The mean of the probabilit...
Q: If a study determines the difference in average salary for subpopulations of people with blue eyes a...
A: It is an application of statistics . It is widely used in all places .
Q: Sets C and D are subsets of the universal set U. The sets are defined as follows. U = { f, k, m, r, ...
A: GIVEN DATA : Set C & D are the subset of the universal set. U=f, k, m, r...
Q: The cumulative distribution function of a random variable X is (see attached photo): a) What is P(X ...
A: Given:- Fx = 0 when x<012 when 0≤x<11 when x≥1 we hav...
Q: A teacher offers ten possible assignments for extra credit in a course but requires students to choo...
A: Given that 6 assignments involve library research and 4 are computer programming exercises. Total 10...
Q: As GM prepares to begin producing and selling 16-ounce boxes of the new cereal, which it has named C...
A: Given: Sample size of boxes (n) = 25 Probability of a box failing to meet the standard weight (p) = ...
Q: Two digits are selected with replacement from the digits 1, 2, 3, 4, 5, and 6. How many possibilitie...
A: There are 6 digits given. And the trial is with replacement. So we can pickt the first digit in 6 wa...
Q: Kay has an 80% probability of making a free-throw in basketball, and each free-throw is independent....
A: Let A be the event that K makes the first throw and B be the event that K makes the second throw.As ...
Q: Find probability of that
A: Calculate the probability as follows, P-12<x<3=∫-123fxdx=∫-120fxdx+∫01fxdx+∫13fxdx The probabi...
Q: There are 14 male employees and 9 female employees at a shoe store. The store manager wants to form...
A: Since he is picking as a team so we will use the combination method because arrangement does not mat...
Q: consider the following Probability Distribution for Sales table probability: .3 .24 .14 .21 .11 sale...
A: Determine E(x) using the formula E(x)=p1x1+p2x2+…+pnxn. E(x)=0.329+0.2435+0.1455+0.2166+0.1180=8.7+8...
Q: a. A gambler states the “odds” against some event as 3 to 1. What is the probability that the event ...
A: a) Given data: The given odd against some event is x=3:1. The expression for the odd against some ev...
Q: If a single card is drawn from a standard 52 car deck, what is the probability that we obtain either...
A: Given data: Total number of cards = 52 The probability of obtaining a face card is given as: Number...
Q: One card is selected at random from a deck of cards. Determine the probability of selecting a card t...
A: Less than 7 cards means= A,2,3,4,5,6Each denomination has 4 cards. So total (6×4)=24 cards are less ...
Q: The number of friends, x, cookie the Clown makes in a year is exponentially distributed on the inter...
A: The Random Variable X is defined by, X : Number of cookie the clown makes Given that, X has a expone...
Q: A pet store has 12 puppies, including 5 poodles, 5 terriers, and 2 retrievers. If Rebecka and Aa...
A: Given: Total number of puppies=12 Number of poodles=5 Number of Terries=5 Number of retrievers=2 The...
Q: A pharmaceutical company receives large shipments of ibuprofen tablets and uses an acceptance sampli...
A:
Q: The management of a company finds that 27% of the administrative assistants hired are unsatisfactory...
A: Given, The management of a company finds that 27% of the administrative assistants hired are unsati...
Q: 6) Let A and B be events so that p(B|A) = .8, p(B|A) = .4, and p(B) = .62. What is p(A)? %3D
A: Given that P(B|A)=0.8 and PB¯|A¯=0.4 and P(B)=0.62Using the conditional probability we get:P(B|A)=0....
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