and second components meet specifications are 0.96 and 0.89, respectively. Let X be the number of components n the assembly that meet specifications. a) Find the mean of X. b) Find the variance of X.

Q: For a recent period of 100 years, there were 530 Atlantic hurricanes a) State the distribution, the…

A: For a recent period of 100 years , There are 530 Atlantic hurricanes , So ,λ = 530/100 = 5.3 per…

Q: NHL Assists and Total Points A random sample of scoring leaders from the National Hockey League…

A: Hello! As you have posted more than 3 sub-parts, we are answering the first 3 sub-parts.  In case…

Q: Based on data from a USA Today Snapshot, 72% of adults have accurity concerns about online banking,…

A: Probability of adults have accurity concerns about online banking(p)=0.72sample size(n)=30Let "x"…

Q: 22. Each American uses 650 pounds of paper a year. Suppose that the distribution is normal with a…

A: It is given that each one uses 650 pounds of paper a year.The distribution is normal with a…

Q: manufacturer receives a lot of 100 parts from a vendor. The lot will be unacceptable if more than…

A: (a) To find the probability that the lot will be rejected when there are 8 defectives in the lot and…

Q: to three decimal places.) (a) The expected time between two successive arrivals (b) The standard…

A:

Q: Imagine that on average two out of seven people are left handed. Assume that each person is either…

A: 2 out of 7 people are left-handed. Each person can either be right-handed or left-handed.

Q: Find P(A or B or C) for the given probabilities. P(A) = 0.36, P(B) = 0.24, P(C) = 0.16 P(A and…

A: P(A)=0.36P(B)=0.24P(C)=0.16P(A and B)=0.11P(A and C)=0.03P(B and C)=0.07P(A and B and C)=0.01

Q: Suppose X is a random variable and h is a non-increasing function, i.e., h(r) ≤ h(2) if a1 > ₂.…

A: Given:1. X is a random variable.2. h is a non-increasing function, which means that for any two…

Q: LAUSE SALT a) What sample size is necessary if the 95% CI for p is to have a width of at most 0.11…

A: A state legislator wishes to survey residents of her district to see what proportion of the…

Q: al clients every day. The probability that you make a sale is 30% on any one phone call. Use this…

A: n = 25Note: According to bartelbyquestion answer guidelines an expert can solve only three subpart…

Q: stock prices has a 0.6 probability of rising in any year. The change in the value of the index in…

A: According to the Bartleby guidelines experts solve only one question and a maximum of three sub…

Q: Of the emails you receive 20% are spam on average. Your spam filter is able to detect 90% of them…

A: P(Spam)=0.20P(not a spam)=1-0.20=0.80P(Detected | Spam)=0.90P(Detected | not a spam)=0.15

Q: Express the following probability as a simplified fraction and as a decimal. If one person is…

A: Total population = 242 millionTotal male population = 115 millionTotal female population = 127…

Q: The random variables X₁, X₂ have the same distribution as shown follows Xi P 0 1/2 1 1/4 2 1/4 Where…

A: Here, we are given that the random variable X1, X2 have the same distribution…

Q: The assets (in billions of dollars) of the four wealthiest people in a particular country are 36,…

A: Given thar the four asset values are 36, 29, 20 and 15.Sample size=2.The Samples are selected with…

Q: X-N(2.9), then 3X+2 ~().

A: We have givenX ~ N(2,9)

Q: through (d). (a) Find the probability that all five have type B* blood. The probability that all…

A: n = 5, p = 7% = 0.07Let X be the person in the United States has type B+ blood.p be the probability…

Q: A total of 10 toys are sequentially and randomly chosen, without replacement from a toy box…

A: No.of red toys=4No.of blue toys=6Total no.of toys=10

Q: Sara and Petros each have a standard deck of cards. Independently, each of them selects a card…

A: Since Sara and Petros each select a card independently at random from their respective decks, we can…

Q: Refer to Exercise 3.122. Assume that arrivals occur according to a Poisson process with an average…

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

Q: We choose 2 balls at random from an urn containing 8 white, 4 black and 2 orange. Suppose we receive…

A: Given:Total balls = 8 white + 4 black + 2 orange = 14 balls.Gains for black ball = $2.Loss for white…

Q: A manufacturer has a machine that if it ran all day today has a proba- bility of 0.2 of breaking…

A: Given that, a manufacturer has a machine that if it ran all day today has a probability of 0.2 of…

Q: The height of 12-year-old children is considered to be continuous random variable which obeys a…

A: Mean()=125Standard deviation()=15

Q: At the restaurant i 23 Σ π, they have 19 soup, 12 appetizer, 9 salad, 5 entree, and 18 dessert…

A: Total number of soups in the restaurant = 19Total number of appetizers in the restaurant = 12Total…

Q: d) Find P(27060 ≤ (X-500)² ≤ 50240). e) Find the mean of (X - 500)², i.e. E ((X - 500)²).

A:

Q: Digitalis is a technology company that makes high-end computer processors. Their newest processor,…

A: The processor is to be sold for $3300, making a profit of $429.

Q: Suppose X₁, X2, and X3 are independent Bernoulli random variables with success prob- abilities p₁,…

A: , , and are independent Bernoulli random variables. ,  and are the probability of success of these…

Q: An urn contains 10 marbles, of which five are green, two are blue, and three are red. Three marbles…

A: An urn containsno. of green marbles=5no. of blue marbles=2no. of red marbles=3Total no. of…

Q: Historically, 10 percent of a mail-order firm's repeat charge-account customers have an incorrect…

A: Probability of a mail-order firm's repeat charge-account customers have an incorrect current…

Q: Climbing rope will break if pulled hard enough. Experiments show that 10.5 mm dynamic nylon rope has…

A: Mean=5036standard deviation=122Note: Only ifrst three subparts has been answered as per guidelines.

Q: An injection molding department is having issues with a process. Sample of size n=75 are collected…

A: Here, we have given the table contains the number of defectives in samples and then we have to find…

Q: Students were surveyed on campus about their study habits. Some said they study in the morning,…

A: Given:Students were surveyed on campus about their study habits. Some said they study in the…

Q: Suppose we only have set cards which are green and whose shapes are ovals. What is the smallest…

A: Here we only have set cards which are green and whose shapes are ovals.Then, we have to find the…

Q: What is the expectation of X?

A: An urn holds 4 red, 3 blue, and 2 green marbles.There are total 9 marbles in urn.Three marbles are…

Q: F(x,y) = { (x+y)/42 ; x = 1,2,3  y = 1,2                 0; elsewhere ] (i) Find the mean for the…

A: F(x,y) : { (x+y)/42 ; x=1,2,3 y=1,2  ; 0 elsewhere } Mean : E(X) = sum(x*P(x))

Q: Coronary bypass surgery: A healthcare agency reported that  86%  of people who had coronary bypass…

A: Sample size(n)=16proportion of people who had coronary bypass surgery in 2008 were over the age of…

Q: Hint(s) Check My Work In the EAI sampling problem, the population mean is $71,700 and the population…

A: Given,Population mean, μ = 71700Population standard deviation, σ = 4000Using formula,

Q: a) number (N) is safety incidents per month which correlates with following table: n 0-2 3 4 5 ≥6…

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

Q: There are n ≥ 3 friends sitting in a circle around a campfire, each with exactly one s’more. The…

A: Suppose that the friends sitting in a circle, and let's label them from 1 to n (n>=3) clockwise.…

Q: Which component has the highest probability of functioning for the life of the system if the target…

A: Given,is modeled by a normal random variable with hours and  hours is also a normal random variable…

Q: The random variables X and Y have joint density function 2 ²²(x (x+2y), 0≤x≤1, 0≤ y ≤ 1. 3 Calculate…

A: f(x,y)=2/3(x+2y); 0≤x≤1, 0≤y≤1

Q: The joint probability mass function of X and Y is given by P(1, 1) = 0 p(2, 1) = 0.05 p(3, 1) = 0.1…

A: We have given the joint probability distribution as…

Q: Describe an interactive activity using permutations and combinations use associated formula to show…

A: GivenYou are a teacher, and you have a class of 10 students. You want to engage the students in a…

Q: Electricity bills: According to a government energy agency, the mean monthly household electricity…

A: Given information:Let X be the  monthly household electricity bill in the United States in 2011.It…

Q: Suppose you were planning a trip to the Disney World next year. You found the probability of going…

A: The probability distribution of number of trips in Place D is given.

Q: 1.Firstly, I think in the first part of the question, you make a mistake on calculation, see image…

A: Try in this way using the concept of Order Statistics.This will simplify your problem.

Q: The oracle of Delphi is known to speak the truth 2 out of 3 times. It throws a die and reports that…

A: Let,Event A = The number obtained is actually a six.Event B = Throw a die and reports that the…

Q: Employers often require their employees to be subjected to random drug testing. Suppose that 5% of…

A: Given that,

Q: We send 200 questionnaires by mail to carry out a survey. We know that the probability that a person…

A: According to the given information,Sample size, n = 200Probability of success, p = 0.32Let X be a…