According to a​ survey, 22.9​% of​ credit-card-holding families in a certain area hardly ever pay off the balance. Suppose a random sample of 20 ​credit-card-holding families is taken. Find the probability that at least 4 families hardly ever pay off the balance.

Q: A certain manufactured part must be scrapped if it is defective. Currently, at your manufacturing…

A: Given,n=26p=0.11q=1-0.11=0.89A random variable X~Binomial(n=26  ,  p=0.11)P(X=x)=Cx(0.11)x(0.89)26-x…

Q: When I go swimming, the distance in meters that I can swim before getting cramp in one of my hands…

A: We have given that  λ = 1/313.3  X ~ Exponential (λ = 1/313.3 )

Q: 4.5-8. Let X and Y have a bivariate normal distribution x = 8,0 = 9, y = 17, o = 16, and with…

A: Hi! Thank you for the question. As per the honor code, we are allowed to answer three sub-parts at a…

Q: 22. Solve the proportion below for m. 12 22 54 P O p = 121 O p = 84 O p = 99

A: Given that  Equation  12/22=54/p

Q: compute the experimental probability of getting a 6 assuming that the machine is fair, compute the…

A: Given data :  Outcomes 0 1 2 3 4 5 6 7 8 9 No of trails 42 47 45 54 48 45 55 54 64 46

Q: Find the number of distinct arrangements of the 10 letters in INITIATION.

A: We have given that INITIATION.

Q: B. In a cricket match played to benefit an ex-player, 10,000 tickets are sold at k500. The prize is…

A: Given: There are 10,000 tickets sold price of one ticket=k500 The price of the lottery is k12000…

Q: Consider the continuous random vari- able, Y, with moment generating function, My(t) = e⁹1(e²-1).…

A: We have given information, A continuous random variable Y with moment generating function,…

Q: (a) Construct the rate diagram for this queueing system. (b) Find the steady-state probability…

A:

Q: The time between successive arrivals of buses may be modelled by a distribution whose density…

A: Given that the time between successive arrivals of buses is modeled by a distribution  with density…

Q: Suppose that a Trader Joe's customer selected at random, spends on the average $60 with a standard…

A: Hi! Thank you for the question. As per the honor code, we are allowed to answer three sub-parts at a…

Q: Combination vs. Permutation State if each scenario involves a permutation or a combination. Then…

A: A team of 8 softball players need to choose 3 players to refill the water cooler.we have to find no.…

Q: rowbridge Manufacturing produces cases for per onal computers and other electronic equipment The…

A: Given n=6 Probability of defective cases =5%

Q: suppose that an airline has two flights each day from Toronto to Winnipeg; one scheduled at 9am and…

A: Given that, The event A is flight scheduled at 9 am is depart on time. The event B is flight…

Q: Paul has 5 books to place on a shelf. How many possible arrangements of all 5 books are there?

A: given data 5 books to place on a shelf. no. of possible arrangements of all 5 books = ?

Q: 1.In each of the following cases, describe a suitable sample space for the experiment, state whether…

A: Hi There! Thanks for posting the question. Since you have posted multiple questions with multiple…

Q: A pair of dice is rolled. Find the probabilities of the given events. (Enter exact numbers as…

A: Answer:   Total sample space for rolling a pair of dice =6×6=36 a) Outcomes for sum of 8 = {(2,6),…

Q: 1. If the value of sustainable investing is $101.6 and the discount rate is 9.4% while the value of…

A: In finance, expected value is a calculation used to determine the potential future value of an…

Q: probability

A:

Q: 3. For the three-part question that follows, provide your answer to each part in the given…

A: The question is described in the above picture clearly.

Q: For a standard normal distribution, find: P(Z 1.53) Express the probability as a decimal rounded to…

A:

Q: Suppose that the weight of a particular hand weight is advertised to be 5 pounds, but it can…

A: Given: a = 4.9 b = 5.5 Formula Used: Standard deviation = b-a12

Q: Consider the experiment of tossing a coin twice. (Let H represent the head of the coin and T…

A: We have given information, Consider the experiment of tossing a coin twice. Let H represent the head…

Q: A certain prescription drug is known to produce undesirable side effects in 40% of all patients who…

A: Given that, The random variable X is drug produces undesirable side effects of all patients who use…

Q: Steve is turning half of his backyard into a chicken pen. His backyard is a 24 meter by 45 meter…

A: Given that backyard is a 24-meter by 45-meter rectangle.

Q: A party host gives two prizes to two different guests chosen at random. There are 10 men and 12…

A: given  data,A party host gives two prizes to two different guests chosen at random,there are 10- men…

Q: A man has 2 suits and 4 shirts. Use a tree diagram to find how many different outfits he can wear.…

A: Given that, a man has 2 suits and 4 shirts.

Q: Consider a random variable, W, with the moment generating function Mw(t) = (0.1 + 0.9e¹)2. Determine…

A: Solution

Q: Normal Distribution. Cherry trees in a certain orchard have heights that are normally distributed…

A: Given: μ=112σ18

Q: The grades on a geometry midterm at Oak have a mean of u = 74 and a standard deviation of o = 4.0.…

A: Given  mean (μ)=74 and x =70 standard deviation (σ)=4.0 Find the z-score ?

Q: A certain disease can be detected by a blood test in 95% of those who have it.Unfortunately, the…

A: This problem requires the application of Bayes' theorem to find the probability that the person…

Q: 1. Develop a joint probability table 2. What is the probability of finding a female costume? 0.4,…

A: Given information form above table n(Female)=80, n(Total)=200

Q: Let Continous Random Variables, X has the density function f(x) = [-5x +9 for 04x41 Lo else where…

A: f(x)=-5x+9 ; 0≤x≤1

Q: 8.4 Let X, denote a standard (one-dimensional) Brownian motion. Find the following probabilities.…

A: The probability that a 1D Brownian motion, Xt, is equal to 0 for some time t in [2,3] can be…

Q: Vinny has a chest which contains 5 orange balls and 4 yellow balls. He draws balls one at a time…

A: We have given that Number of orange balls = 5  Number of yellow balls = 4  Total number of balls = 5…

Q: drug manufacturer claims that their drug cures a certain blood disease 78% of the time. To check the…

A: we can use a normal approximation to the binomial distribution, From given : p=0.6 n=100 so, Mean…

Q: E ← Due C math Grades for Lacie Russ: INTRO PRO X…

A: Here the given table is  we have to calculate the correlation coefficient,r Using formula

Q: There are 5 candidates in electoral board of Estate Empire. 3 of them came from internal employee…

A: ANSWER: probility scenario for given:

Q: Problem 7.5. You repeatedly and independently spin a uniform spinner with three colored regions:…

A: Given The total number of spins =1800 The total number of colored regions =3 Yellow, blue, red The…

Q: company has two factories that produce a certain product. The first factory produces 60% of the…

A: A : product of company 1 B : product of company 2 C : defective productP(A) = 0.60P(B) = 0.40P(C|A)…

Q: Interval in Alive at Start years of Interval 0-4 5-9 10-14 15-19 20-24 25 17 14 10 4 Deaths During…

A: Solution: From the given information,

Q: After being rejected for employment, Kim Kelly learns that the Bellevue Credit Company has hired…

A:

Q: In a recent year there were the following numbers (in thousands) of licensed drivers in the United…

A: Male Female Total Age 19 and under 4746 4517 9263 Age 20 1625 1553 3178 Age 21 1679 1627…

Q: Edit View History Bookmarks Window 7.5 Expected Value Help - Save & Exit Certify Lesson: 7.5…

A: Given that Suppose the probability that it rains tomorrow is 0.96 What are the odds of it raining ?

Q: How many sequences of 0 and 1 of total length 26 have the following property: the sequence begins…

A: The solution of the question is given in steep below.

Q: 1 Problem: Markov Process for Communication Protocol A simplified communication protocol should be…

A: Given The total number of states =3 S1 S2 S3 S1 is waiting for packet arrival event  S2 is…

Q: In a particular election it was estimated that the probability that Republican candidate would be…

A: given that, in a particular election it was estimated that the probability that Republican candidate…

Q: A single die is rolled. Find the probabilities of the given events. (Enter exact numbers as…

A: Given that a single die is rolled  sample space ={1,2,3,4,5,6} We have to find Probability of…

Q: A polling agency claims that over 40% of adults shop for a gift within a week of an event.  In a…

A: We have given that p = 40% = 0.40  n = 2730x = 1130p̂ = x/n = 1130/2370 = 0.4139Significance level…

Q: The following table contains the probability distribution for X = the number of retransmissions…

A: x 0 1 2 3 4 P(x) 0.35 0.33 0.25 0.05 0.02