From a bag containing 5 blue balls, 3 yellow balls, and 2 green balls, 1 ball is drawn. Find the probability that it is either yellow or green.

Q: Lengths of metal rulers produced by a machine are normally distributed with a mean length of 30 cm…

A: Mean(µ) = 30Standard deviations (σ) = 0.1X ~ N (µ, σ )= N(30, 0.1)

Q: What is the probability of winning the award?

A: here given lottery gives you an award if you are able to choose correctly at least 5 numbers out of…

Q: Choice a one correct answer from the following Colin is flipping a fair coin. Heads have just come…

A: Here, coin is fair.  Heads have just come up 5 times in a row.

Q: - へ 2.00 1- PCス

A: Solution: Let Z  be the standard normal variable with mean 0 and standard deviation 1.  Z~N(0,1)

Q: 1. A bag of jelly beans contains 10 red, 6 green, 7 yellow, and 5 orange jelly beans. What is the…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: im a high school graduating class of 140 students, 45 are on the honor roll. of these, 39 are going…

A: GivenTotal no. of students in graduating class = 140No.of students on the honor roll=45No.of…

Q: Which of the following is true about the probability density function (pdf) of a continuous random…

A: We have given that the statement about to the probability density function of a continuous random…

Q: What is the probability of obtaining a sample mean of 56 or less from a sample of 50​?

A:

Q: a. If the person is picked at random from this group, find the probability that the person is a…

A: Education Male Female total Elementary 38 45     83 Secondary 28 50 78 College 22 17 39…

Q: A bag contains 4 blue marbles and 5 red marbles. If two marbles are drawn one after the other…

A: The bag contains 4 blue marbles and 5 red marbles.

Q: Find the probability of selecting either a non-smoker or a woman when you select a person at random…

A:

Q: 1 Student exam results as a percentage are modelled by a Normal distributionwhere X- N(75, 100).…

A: (1) X~N(μ, σ2) = X~N(75, 100)  Let X be the random variable from normal distribution with mean (μ) =…

Q: A bag contains five discs, numbered from 1 to 5 inclusive. A disc is drawn from the bag. If the…

A: Here use counting principle

Q: Write the Sample space, outcome or event of the ff: 2. A bag contains six identical balls: two…

A: let E is the event of drawing 3 balls from the bag and S denote the sample space Hence, total…

Q: the bag and not replaced. If the number is even, a second disc is drawn from the Bag. If the IirSt…

A: here given, A bag contains seven discs, numbered from 1 to 7 inclusive. A disc is drawn at random…

Q: mean [ Choose ] variance [ Choose ]

A: here given, coin shows a tail in four out of every five tosses

Q: Show V(X)

A: The joint probability mass function of X and Y is  f(x,y)=(x+y)/21   , x=1,2,3 and y=1,2

Q: Show E(X²)

A: First we have to determine the marginal pdf of X tp calculate the value of E(X2).

Q: A company manufactures panes of glass. The probability that a pane of glass has bubbles is 0.01. If…

A:

Q: From a standard deck of playing cards, one card is selected at random. What is the probability of…

A:

Q: Evaluate each combination in column A, then match your answer in column B. A B 1. C(8,3) 2. С(15,4)…

A:

Q: 4. You have 6 history books, 5 English books, 4 mathematics books, and 3 chemistry books which you…

A: Let us assume there are three girls A, B and C sitting beside each other. The different ways in…

Q: A manufacturing machine has a 10% defect rate. If 3 items are chosen at random, what is the…

A: 1) It is given that p=0.10 and n=3.

Q: What is the probability of getting 3 out of 5 questions right on a multiple choice exam, where each…

A:

Q: • The value of the test statistic is given by Vn • The p-value is the area under the curve to the…

A: Given : sample size, n =72 sample mean, x̄ =91.6 population standard deviation,σ=12.7…

Q: Assume that females have pulse rates that are normally distributed with a mean of µ = 75.0 beats per…

A: Given that : μ = 75.0 ? = 12.5 n = 4 By using standard normal distribution we solve this problem.

Q: Let X denote the distance (m) that an animal moves from its birth site to the first territorial…

A:

Q: MX racing is a sprint sport where races range from around 30 to 45 seconds depending on the length…

A: Given that BMX racing is a sprint sport where races range from around 30 to 45 seconds depending on…

Q: Show E(XY)

A:

Q: A safe box requires a new user to set up a 6-digit code before using it. The user is allowed to only…

A: Given Information: A safe box requires a 6 digit code. The user is allowed to only set up the code…

Q: 6 A factory produces bars of chocolate that follow a Normal Distribution with a mean weight of 70g…

A:

Q: Three fair coins are tossed. find the probability that they are all heads if the first coin is head…

A:

Q: Give the value of the following: 1. C(4,4) 3. C (29,29) 5. С (10,1) 7. с (5,4) 4.

A: According to bartleby expert guidelines we can answer only first three subparts. Rest can be repost.

Q: Activity: Answer the given problem. Given that P(S) = 0.3, P(S|Q) = 0.4, and P(Q) = 0.5, find the…

A: Solution- Given that  P(S)=0.3 P(S|Q)=0.4 P(Q)=0.5 Find the probability

Q: A person applies for a certain job, and the probability that he or she is qualified is 0.225. The…

A: From the provided information, The probability that he or she is qualified is 0.225, P (Q) = 0.225…

Q: Suppose a research paper states that the distribution of the daily sea-ice advance/retreat from each…

A: * SOLUTION :-

Q: Use the spinner below. 12 1 11 2 10 3 4 8 7 5 6 P(>2) =

A: For the given data p(>2)=? p(odd number ) =?

Q: In a preparation test, past data showed that 40% of the students came unprepared. In a sample of 8…

A: We have given that p = 40% = 0.40 n = 8 X follows the Binomial (8, 0.40)The PMF of the Binomial…

Q: Write the Sample space, outcome or event of the ff: 3. Choosing a heart card in an ordinary deck of…

A: We know that a deck of card contain a total of 52 cards let E= event of getting a heart card We know…

Q: A single digit between 0 and 9 is randomly chosen, and a single letter from A to Z is randomly cho…

A: Given data, A single digit is between 0 and 9 The possible digits are 0,1,2,3,4,5,6,7,8,9 The vowels…

Q: The probability that a provincial bus departs on time is 0.4; the probability that it arrives on…

A: Solution

Q: -. How many triangles collinear points? can 'be drawn on a plane using 8 non-

A: Given:  8 non collinear points  then no of possible triangle can be formed using the given 8 non…

Q: For x = 1, 2, 3 and y = 1, 2, let the joint pmf of X and Y be defined by f X,Y (x, y) = (x+y)/21…

A: f(x,y)=(x+y)/21 ; x=1,2,3 and y=1,2

Q: A textile manufacturing process finds that on average, three flaws occur per every 50 yards of…

A: Solution-: Given : λ=3 We find, P(more than 5 flaws occur in a 50 yard piece of material)=?

Q: Show E(Y²)

A:

Q: Pr(A) = 0.2 %3D Pr(B) = 0.4 %3D Pr(A|B) = 0.5 Hence, find Pr(A n B) Select one: О 0.1 O 0.2 O 0.3 O…

A:

Q: A bag contains 3 Red and 7 Blue counters. Two counters are taken from the bag at random, without…

A: We have Number of red balls = 3  Number of blue balls = 7 Total balls = 3+7 = 10 Here we have to…

Q: At any given time, a subatomic particle can be in one of two states, and it moves randomly from one…

A: Given Information: If the subatomic particle is in state 1 on one observation, then it is 2 times as…

Q: h) What is the standard deviation of M - 63? i) What is the probability that M-63>0.51? 0.2483 )…

A:

Q: About 1% of the population has a particular genetic mutation. 500 people are randomly selected. Find…

A: For the given data find mean =?