Hint: Use the Central Limit Theorem ]. Flip a balanced coin 5000 times. Let X be the total number of heads. Compute P(2400 ≤ X ≤ 2600).

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: Randomly sample 256 items from a population where individuals have a normal distribution with mean…

A: Given,Sample size, n = 256Mean, μ = 250Standard deviation, σ = 80Using formula,

Q: I've got 2 questions, hope that's okay they're only short ones 1. when mining copper, the amount…

A: Given that mining copper, C~N(460, 140) and mining nickel N~N(180, 30).Cor(C, N) = 0.4Mean and SD of…

Q: A realtor uses a lock box to store the keys to a house that is for sale. The access code for the…

A: The access code for the lock box consists of five digits.The first digit cannot be 2 and the last…

Q: ​ survey, 62​% of murders committed last year were cleared by arrest or exceptional means. Fifty…

A:

Q: The cost of attending a sports event is usually not limited to the tickets. Often times, you will…

A: Given that the ticket price of a sports event is $50.P (Parking) = 0.9, the parking price is $20.P…

Q: Question 11 Suppose that in one area in California, 70% of all homeowners are insured against…

A: From the information, given thatLet X denotes the number of home owners who have earthquake…

Q: When ordering a certain type of computer, there are four choices of hard drive, three choices for…

A: Number of choices for hard drive = 4Number of choices for memory = 3Number of choices for video card…

Q: well-balanced die is rolled 300 times. Find the probability that the [1] appears between 55 and 60…

A: n=300, P(55≤X≤60)=?

Q: (a) The probability of randomly selecting a red suit or a 6 is (Type an integer or decimal rounded…

A: There are 52 cards in the deck divided into two colour i.e red (26) and black (26). These black…

Q: Selecting Marbles A bag contains 8 red marbles, 5 white marbles, and 7 blue marbles. Randomly choose…

A: Total marbles=8+5+7=20Red marbles=8, White marbles=5, Blue marbles=7

Q: A study showed that 24% of all firms in Country A are owned by women. You are phoning local…

A: n = 3, p = 24% = 0.24Let X be the number of all firms in Country A are owned by women.p be the…

Q: At a back-to-school party, one of your friends lets you play a two-stage game where you pay $3 to…

A: Lets we play a two-stage game where you pay $3 to play.The game works as follows: flip a fair coin,…

Q: car make and model is under warranty for the first 10 years after purchased, so major repairs after…

A: f(t)=20t2; 10< t< 20

Q: Four buses carrying 148 students from the same school arrive at a football stadium. The buses carry,…

A: Four buses carrying 148 students , Bus1 = 40 studentsBus2 = 33 studentsBus3 = 25 studentsBus4 = 50…

Q: An employee at Coconino Community College (CCC) is evaluated based on goal setting and…

A: The table containing categories, ratings, and weights for a particular employee is given…

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: A genetic experiment with peas resulted in one sample of offspring that consisted of 424 green peas…

A: From the provided information,One sample of offspring that consisted of 424 green peas and 158…

Q: probability that both cards have rank no higher than 10, and at least one of the cards is red?

A: Suppose you select a card uniformly at random from a standard deck, and then without putting it…

Q: A theater group holds a fund-raiser. It sells 100 raffle tickets for $7 apiece. Suppose you purchase…

A: A theater group holds a fund-raiser. It sells 100 raffle tickets for $7 apiece.Four tickets are…

Q: If you flip a fair coin 13 times and X is the number of times the coin came up "Heads", what is P(X…

A: n = 13, p=1/2=0.5Let X be the number of heads.p be the probability of heads.X~Binomial(n=13, p=0.5)

Q: 4. Teams A and B play games until one of the teams has won two times. For each game, Team A wins…

A: Given that teams A and B play games until one of the teams has won two times. For each game, Team A…

Q: The time required (in days) to build a house single-family is a random variable which obeys the…

A: Let X be  time required (in days) to build a house. The random variable X has normal distribution…

Q: The data show the population (in thousands) for a recent year of a sample of cities in South…

A: The data shows the population (in thousands) for a recent year in a sample of cities in South…

Q: Suppose that scores on an exam are normally distributed with mean 80 and standard deviation 5, and…

A: It is given that scores on an exam are normally distributed with a mean of 80 and a standard…

Q: If n people are present in a room. How large n need to be so that the probability of no two of them…

A:

Q: Continuous random variables X and Y have joint density 12 (x² + xy), 0 ≤ x ≤ 1, function f(x, y) 0 ≤…

A: Given that the joint density function of X and Y is

Q: 4.34. Find the moment-generating function of the dis- crete random variable X that has the…

A: The distribution of random variable  that has the probability distribution is given as follows:

Q: 11 broken lightbulbs in a box of 175 lightbulbs. A random sample of 4 lightbulbs is chosen ent. many…

A:

Q: Medical Operations The director of a medical hospital feels that her surgeons perform more…

A: From the provided information,

Q: What is the probability of randomly selecting two marbles without replacement from a bag containing…

A: Total marbles=5+3+2=10Red marbles=5Blue marbles=3Green marbles=2

Q: If eight distince dice are rolled, what is the probability that all six numbers are rolled?

A: If 8 distinct dice are rolled than the possible out comes are 68 .

Q: Q 2.3. There is a pair of magic dice. When they are rolled together, then half the time, they behave…

A: To find the expected value of the product of the two values on the top of each die when the pair of…

Q: Suppose (X, Y) is a bivariate random variable. For each of the following statements say if they are…

A: Given that  is a bivariate random variable.

Q: We consider that the daily number of telephone calls received by the STOF store switchboard operator…

A: Mean()=120Standard deviation()=20

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

A: It is required to find the probability of getting four or fewer women when 17 people are hired,…

Q: On Homework Assignment 1, the general consensus was that I was not in a relationship. Although I…

A: Given the regression output :

Q: 2. Look at your graph in problem 1. What is the probability that 2 ≤ x ≤ 5?

A: The given graph is parallel to -axis, So we are going to assume that the random variable  is plotted…

Q: Describe an interactive activity using probability of independent events. What makes it independent…

A: Interactive activity: Double coin tossGiven:You have two coins: one regular fair coin with one side…

Q: Forest Fires and Acres Burned Numbers (in thousands) of forest fires over the year and the number…

A: The regression equation is,Y=-45.7950 + 1.34704 X. r= 0.858. xy573045157262694258194726

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: How would it look like if someone drew it

A:

Q: Randomly sample 256 items from a population where individuals have a normal distribution with a mean…

A: Sample size(n)=256mean()=120Standard deviation()=160

Q: Assume that the readings at freezing on a bundle of thermometers are normally distributed with a…

A:

Q: Commute Time to Work The average commute to work (one way) is 25 minutes according to the 2005…

A: Population mean=25Population standard deviation=6.1

Q: In a study of recognition of the brand name Mrs. Fields cookies, out of the 50 adults in the study…

A: From the given information,out of 50 adults in the study, it was found that 35 recognized the brand…

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: The distribution of hourly wages of employees of the TNON company obeys a normal law whose average…

A: Mean Standard deviation

Q: Choosing officers: A committee consists of twelve women and eleven men. Five committee members will…

A: Total number of women=12Total number of men=11total members=23committee of 5 members is to be…

Q: Use the probability distribution to complete parts (a) and (b) below. The number of school-related…

A: Suppose  be the number of school-related extracurricular activities per student.The probability…