A sample of 10 tourist spending in Macau in February 2017. (in MOP) 2,698 2,028 2,474 2,395 2,372 2,475 1,927 3,006 2,334 2,379 d) For a 95% confidence of interval, what is the value of t? e) Develop a 95% confidence interval for the population mean. f) Would it be reasonable to conclude that the population mean is 3,000?

Q: What is the expected number of heads that come up when a fair coin is flipped five times?

A: From the provided information, A coin is flipped five times that is n = 5

Q: Shares of company A are sold at $20 per share. Shares of company B are sold at $50 per share.…

A:

Q: Problem 4 Suppose that the pdf of a certain rv X is given on the right. (1) Determine P(X < 1/2).…

A: Answer: - Given, the pdf of X is                 f(x) = 3x20&lt;x&lt;10otherwise         (1).  Find…

Q: You are dealt one card from a standard 52-card deck. Find the probability of being dealt a card…

A: Since we know that standard deck of cards has four suites: hearts, clubs, spades, diamonds  Each…

Q: 5. From an experiment of drawing one card from a 52-card deck, what is the probability of drawing:…

A: "Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you.…

Q: Let ZZ be a discrete random variable taking one of the four distributions covered in Chapter 10.…

A:

Q: Suppose that X, Y are iid continuous uniform distributions over the interval (0, 1). Find the pdf of…

A: Given that the iid random variables X and Y follow continuous uniform distributions over the…

Q: In this regression, which predictor(s) is/are significant? Coefficients: (Intercept) time pub…

A:

Q: A group consists of five Democrats and eight Republicans. Seven people are selected to attend a…

A: a. There are five democrats and eight republicans.

Q: A domestic manufacturer of watches purchases quartz crystals from a Swiss firm. The crystals are…

A: Given that (a)Let X be the number of defective in the sample.Let n be the sample size. n = 20Let N…

Q: ani and agree to pin. ributed between 12:12 pm and 12:37 pm, and if the woman arrives independently…

A: Given X=time man arrives Y=time women arrives X~unif(12, 37), Y~unif(0, 60)

Q: If X has a Bernoulli distribution with parameter p, which of the following is general expression for…

A: It is given that X has a Bernoulli distribution with parameter p.

Q: The potholes in a long road occur as a Poisson process of rate 4 per mile. In other words, if we let…

A:

Q: Among 12 laptop computers, 8 are good and 4 have defects. Unware of this, a customer buys 5 laptops.…

A: From the provided information, Among 12 laptop computers, 8 are good and 4 have defects. A customer…

Q: This slot machine is a one-coin game. For 95% confidence interval z = 1.96. Variance is 5.401. Net…

A: Given that  Variance =5.401 Standard deviation =2.324 Zc=1.96

Q: Local parents and their children were invited to the grand opening of a daycare center. Each of the…

A: pencil cup magnet total parent 19 40 12 71 child 15 47 2 64   34 87 14 135

Q: The key difference between binomial and hypergeometric distributions is that with the hypergeometric…

A: The key difference between binomial and hypergeometric distributions is that with the hypergeometric…

Q: A raffle offers a first prize of $1000, 2 second prizes of $300, and 20 third prizes of $10 each. If…

A: given data, first prize :p(first prize)=115000p(secound prize)=215000p( third prize)=2015000p(no…

Q: 5. Imagine playing a game for which the exact odds are known. You have two options. With Option A,…

A:

Q: Suppose U~ Binomial(n, p) and n > 2. What is P(U > 1)?

A: It is given that  U ~ Binomial( n, p ) and n &gt; 2.

Q: 4. Suppose that the events A and B are mutually exclusive with P(A) Let A' denote the complement of…

A: given data mutually exclusive eventsP(A) = 0.4P(B) = 0.4P(A'∩B) = ?

Q: We wish to estimate what percent of adult residents in a certain county are parents. Out of 600…

A: Given data: Sample size = 600 x = 312 Confidence level = 99%  To construct a 99% confidence interval…

Q: 8. A bag contains 8 red, 5 white, and 3 blue marbles. Two marbles are drawn at random without…

A: As per our guidelines we are suppose to answer only one question. Given,no.of red marbles=8no.of…

Q: x)=2x IT X Is betwe 0 T; T(X)=C wn valuation, while the seller does r e seller sets a price, and…

A:

Q: 4.75 Use the central limit theorem to verify the following results. (a) The probability of getting r…

A: 4.75. a) In the given situation, 6r fair dice are thrown. When throwing a dice, the probability of…

Q: Consider the following election with five candidates and 7 voters. Use the methods indicated below…

A: Given information:   1 1 1 1 1 1 1 First C D C B E D C Second A A E D D E A Third E E D A A…

Q: In a deal or no deal game where there are 26 cases and 6 cases were opened. What is the probability…

A: It has not been mentioned in the question, what is the criterion to win $1,000,000. As this is the…

Q: A = { 3, 0, 1 } B = { y, x }  what is the cardinality of A x P(B) ?

A: Given that, A = {3,0,1}  B ={ y , x }  Power set of B = {{},{x},{y},{x,y}}  Generally cardinality is…

Q: President Linda Maria Ann Vice President V Bob Jim John Bob Jim John Bob Jim John (a) How many…

A: president : {linda , maria , ann} vice president : { bob , jim , john} we have to select one…

Q: You run a regression for x predicting y and find the p-value to be .04. Which of the following can…

A: From given data  a regression for x predicting y and find the p-value to be .04

Q: An actuary studied the likelihood that different types of drivers have at least one collision during…

A: Given Type Percentage Collision % Teen 14 16 Young adult 24 9 Middle aged adult 48 6…

Q: The ABC facility has 213 pieces of equipment in their facility. Each piece of equipment requires…

A: The probability that a particular or specific substance or thing of apparatus requires cyclic care…

Q: A lottery has a grand prize of $1,000,000, 4 runner-up prizes of $50,000 each, 14 third-place prizes…

A: Given: P(winning $1000000) = 1/13000000P(winning $50000) = 4/13000000P(winning $5000) =…

Q: QUESTION 3 Solve the problem. Round to the nearest hundredth, if necessary. Assume that the mean…

A: Let , X = denotes the length of human pregnancies

Q: Y = 0 1 2 X = 0 .10 .25 .25 1.05 a .25 p(v) p(x) Find: (a) a. (b) The marginal probabilities for X…

A: Solution: We need to find the value of constant a and the marginal probabilities for X and Y

Q: Find the expected value of the random variable. X P(x) 2 0.2 3 0.3 What is the expected value? 4 5…

A: Solution

Q: When leaving a certain subway station a person can exit through any one of three gates, and any…

A: Given When leaving a certain subway station a person can exit through any one of three gates, and…

Q: A die is rolled 12 times. Find the probability of rolling no more than 3 twos. The probability of…

A: given  roll die 12 times n = 12 P(roll two) = p = 16 x = no. of time two rolled P(x=X) = nCxpxq(n-x)…

Q: A domestic manufacturer of watches purchases quartz crystals from a Swiss firm. The crystals are…

A: Given: The crystals are shipped in lots of 1000.  The acceptance sampling procedure uses 20 randomly…

Q: FRQ 11 THE TWELVE DAYS OF CHRISTMAS For each problem, show the proper work needed for FRQ’s and find…

A: (i) Given: On the first day of Christmas, my true love gave to me: A Partridge in a Pear Tree.  The…

Q: d. This is done 3 times. Find the probability that a word with no repetition of letters is formed.…

A: Given 25 slips of paper are each marked with a different letter of the alphabet and placed in a…

Q: 15. An experiment consists of rolling a single 9-sided die (#'d 1-9) one time. Find the probability…

A:

Q: Here are summary statistics for randomly selected weights of newborn girls: n= 159, x = 32.4 hg, s=…

A: given data, n=159X¯=32.4s=6.9CI=0.95α=1-0.95=0.05

Q: Suppose that a family has 8 children. Also, suppose that the probability of having a girl (based on…

A: given data P(girl) = P(boy) = 12sample size (n) = 8x = no. of girls in childrenP(x=X) =nCxpxq(n-x)…

Q: The life expectancy of a particular brand of tire is normally distributed with a mean of 40,000 and…

A: given population mean=40000 population sd =5000  probability that a randomly selected tire will have…

Q: 3. A quality control plan for an assembly line involves sampling n = 10 finished items per day and…

A:

Q: As a project manager you have the following data for your current project in a hospital.…

A: given data mean(μ) = 22 weeksvariance (σ2) = 4 weeks2standard deviation (σ) = 2 weeksP(x&lt;22…

Q: From previous studies, it is concluded that 50% of phone numbers in a certain city are unlisted. A…

A: From the provided information, Sample size (n) = 300 Population proportion (p) = 0.50 Level of…

Q: Q22. In a computer network a virus is spreading from machine to machine. Each week, the proportion…

A: Given that in a computer network a virus is spreading from machine to machine and 0.90 of the…

Q: Give an example of a random variable X : {b, c, d, e} → N (Natural Number) with expectation 2, where…

A: b,c,d,e are natural numbers (1,2,3.....) E(X) = 2 given and each one is having equal probability.