Q43. If the difference between three times of mean and three times of variance is two for a binomial probability distribution for 6 trials then the probability of getting exactly 5 success is? 2 (a) 35 (b) 35 4 25 36 (d) none of the above

Q: The following bar graph compares women's and men's hourly wages in a recent year. Percentage Earning…

A:

Q: A single card is drawn from a standard​ 52-card deck. Let D be the event that the card drawn is a…

A: Total no.of cards=52no.of black cards=26no.of 4 numbered cards=4Let D  be the event that the card…

Q: 9. A blindfolded marksman finds that on the average he it's the target 4 times out of 5. If he fires…

A: (9)Given The marksman hit's the target 4 times out of 5. We know the formula for probabilityl.e  The…

Q: Approximate the following binomial probabilities by the use of normal approximation.  P(12  x 18, n…

A: Here,

Q: Decide if the events A and B are mutually exclusive or not mutually exclusive. A date in…

A: Answer A: it rains that day.B: It shows that day.

Q: Problem 1 The final exam of a discrete mathematics course consists of 50 true/false questions, each…

A:

Q: More Dice Rolls Consider rolling two fair, 6-sided dice. (a) List the elements and calculate the…

A: A: Event that same number comes up on both the dicesB: Event that the sum of the numbers on the two…

Q: A group of eight people is composed of five men and three women. How many committees of three people…

A: Combinations must be counted to determine how many 3-member committees can be formed that contain…

Q: A bag contains 10 red balls, 5 blue balls, and 3 green balls. A ball is drawn at random, and then…

A:

Q: Problem 13 A machine that inserts letters into envelopes goes haywire and inserts letters randomly…

A: Hi thank you for posting this question,  since you have posted multiple subparts as per our policy…

Q: The length of time it takes for a worker to perform certain task (in minutes) was recorded for 10…

A: Hi thank you for posting this question,  since you have posted multiple subparts as per our policy…

Q: Imagine a subject is taking part in a study to test a new cold medicine. The probability that the…

A: From given,Probability that the subject is taking drug A = 20% = 0.2Probability that the subject is…

Q: Out of 114 pet owners, 69 own dogs, 53 own cats, and 39 own both dogs and cats. If we randomly…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: Assume that you play the following game: • in each round, you roll a fair die twice; • you win a…

A: (a) To calculate the probability of winning a round, we need to determine the probability of rolling…

Q: Three people are randomly selected to report for jury duty. Each selected person is as likely to be…

A: Suppose three people are randomly selected to report for jury duty. Each selected person is as…

Q: Find the z-values corresponding to the given measures of position, assuming that Z is a continuous…

A: We have to find z value corresponding to a. The range of values of the top 8% of the data.b. The…

Q: tandard Normal Distribution Table a. What is the probability that a CleanFreek dishwasher will last…

A:

Q: If it is successful, the company will make $400,000. If it fails, the company will lose $250,000.…

A:

Q: You own 11 CDs. You want to randomly arrange 10 of them in a CD rack. What is the probability that…

A: Total number of CD's = 11Number of CD's to be arranged = 10

Q: lem 7: Suppose the diameter at height (inch) of trees of a certain type is normally buted with µ =…

A: Given thatLet X be the diameter at height of trees.

Q: The probability that a certain machine turns out a defective item is 0.05. Find theprobability that…

A: From the provided information,The probability that a certain machine turns out a defective item is…

Q: i think that's a bad calculation at the end it should be 25/12 instead of 55

A: It is given that .The given density function is,.

Q: A farmer is researching the effectiveness of a pest control spray. He divides his orchard into 5…

A: A farmer is researching the effectiveness of a pest control spray. He divides his orchard into 5…

Q: The heights of fully grown trees of a specific species are normally distributed, with a mean of 67.0…

A:

Q: The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally…

A: Let X be the random variable from normal distribution with mean (μ) = 1252 and standard deviation…

Q: hourly pay in a small city is normally distributed with a mean of $34.58 and a standard deviation of…

A:

Q: on or 2.5. a. Fill out the following curves for each distribution. Be sure to label your set of…

A: It is given that • For SAT verbal testMean = 460Standard deviation = 110• For ACT English test:Mean…

Q: How can I use this formular to claulate this probability? P(A and not B)= ?????

A: It is given that P(B) = 50% = 0.5P(A’) = 80% = 0.8, P(A) = 1 - P(A’) = 1 - 0.8 = 0.2P(B/A’) = 60% =…

Q: Calculate the joint distribution function Fxy. calculate the marginal density functions of the…

A:

Q: GUIDED PRACTICE 1. Vocabulary A compound event where one outcome overlaps with another is made up of…

A: we need to determine the number of favorable outcomes (red or blue marbles) and the total number of…

Q: USE the probabilities in the first tree diagram below to find the probabilitax of each branch of the…

A: We are given a probability tree diagram, and we have to calculate its reverse tree diagram

Q: #21

A:

Q: Let S be a subset of states in a hat S is a minimal closed set if, and only if, it is a recurrent…

A: S is a subset of states in a time-homogeneous Markov chain.Markov chain is a chain of events where…

Q: c. You play card game and select two cards from 52 - card deck without replacement. Probability that…

A: The information provided in the question are as follows :-Two cards are to be selected from a deck…

Q: Not all visitors to a certain company's website are customers. In fact, the website administrator…

A: Binomial distribution:In binomial probability distribution, the number of ‘Success’ in a sequence of…

Q: Suppose you have ten blocks with the letter A, A, C, E, E, E, R, S, S, and T. How many ways can we…

A: 10 blocks with letters :  A, A, C, E, E, E, R, S, S, TNumber of ways to order all 10 blocks = ?

Q: Assume that a normal distribution of data has a mean of 14 and a standard deviation of 2. Use the 68…

A: Given a normal distribution with mean and standard deviation .We have to find the percentage of…

Q: We choose a number from the set {1, 2, 3,..., 100}, uniformly at random. Let X be the chosen number.…

A: suppose , two events A and B given,If P(A and B) = P(A).P(B) then we can say that A and B are…

Q: Find the area, to the nearest thousandth, of the indicated region of the standard normal…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: Brianna is taking part in a lottery for a room in one of two new dormitories at her college. She…

A: From given,P(X) = 0.3P(Y) = 0.7P( Room | X ) = 0.8P( Room | Y ) = 0.4We have to find If Brianna gets…

Q: d. P(X> 1.8, 1 <Y < 2.5) e. E(X) f. P(X <0, Y <4)

A:

Q: Problem 4: A company that manufactures video cameras produces a basic model, intermediate model and…

A: Let A, B and C be the events that the company sold a basic, Intermediate model and a deluxe model,…

Q: 3. Given two independent random variables X and Y with a uniform distribution between [2,5]. If Z =…

A: To determine the density functions for Z = min(X, Y), W = max(X, Y), and the joint density function…

Q: In cross-breeding certain plants, a scientist found that flower color does not dominate as happens…

A: Plant with red gene (r) and one white gene(w) will have pink flower (rw) . We have to construct a…

Q: Assume that two fair dice are rolled. First compute P(F) and then P(FIE). Explain why one would…

A: The sample space for rolling two fair dice is:

Q: One of two urns is chosen at random with one as likely to be chosen as the other. Then a ball is…

A: Number of balls in first urn = 1 white and 5 red ballsNumber of balls in second urn = 4 white and 2…

Q: 2. Each morning, the manager of a bakery has to decide how many cakes they should bake for sale that…

A: The random variable X indicates the demand for a cake. It takes values 0, 1, 2, 3, 4, 5, 6 and 7,…

Q: In the past, students in a particular course have achieved a mean Xmas test score of 72.6, with a…

A: In the past, the mean Xmas test score of 72.6, with a standard deviation of .This year, 15 students…

Q: An urn contains 15 red balls, 10 black balls, and 25 white balls. 10 balls are drawn from the urn.…

A: An urn contains 15 red balls, 10 black balls and 25 white balls.10 balls are drawn from the…

Q: A shipment of 6 television sets contains 2 defective sets. A hotel makes a random purchase of 2 of…

A: Given that there are 6 television sets contains 2 defective setsP(defective set)=2/6=1/3Let X be the…