Suppose P(E) = 0.39, P(Fc) = 0.53, and P(FEc) = 0.28. Find P(EF). A) 0.67 B) 0.08 C) 0.33 D) 0.19 E) 0.11

Q: b) You have gone to a cyber-café with a friend. You found that the cyber-café has only three…

A: (As per our standard guidelines, we are supposed to answer only one question).b) Probability that…

Q: how many ways can first second and third prizes be awarded in a contest with 530 contestants?

A: To determine the number of ways to award first, second, and third prizes in a contest with 530…

Q: the outcomes. 1. What is an appropriate sample space for this experiment? a. S = {AAA, N, TT, R, I,…

A: It is given that the word ANTARTICA.

Q: 3. In a large population, 0.1% of individuals have certain rare disease. If 10,000 individuals are…

A: Given that, In a large population , 0.1% of the population have certain rare disease So…

Q: What is the expectation of X?

A: An urn holds 4 red, 3 blue, and 2 green marbles. Three marbles are selected, altogether, without…

Q: The shear strength of each of ten test spot welds is determined, yielding the following data (psi):…

A: X = 367 389 375 377 384 388 409 362 358 415n=10

Q: SCUBA divers have maximum dive times they cannot exceed when going to different depths. The data in…

A: Given observation and calculation is shown belowDepth (X)Dive time…

Q: The equation below estimates the effect of race on the probability of mortgage denial, holding…

A: Given that,      Pr(deny=1|P/I ratio, black)=(-2.29 + 2.78 P/I ratio+ 0.71 black)where,      is the…

Q: A company that manufactures and bottles juice uses a machine that automatically fills 16-ounce…

A: Mean=16, standard deviations=0.6

Q: According to a university's report, only 35% of all surgical operations at that time required an…

A: Given,The percentage of surgical operations requiring an overnight stay at a hospital is = 35%.So,…

Q: Let x be a random variable representing movement (in feet per year) of such sand dunes (measured…

A: Given that x denotes the movement of sand dunes and x follows normal distribution with =16 feet per…

Q: Consider the following transition probability matrix: [0.6 0.2 0.2 P= 0.3 0.4 0.3 0.0 0.3 0.7 a.…

A: transition probability matrix is given:

Q: random vanable x is normally distributed P(x<86) P(x<86)= (Round to four decimal places as needed.)…

A: X~N( μ , ?)μ=90     , ?=4Z-score =( x - μ )/?

Q: q1 Consider one - persistent CSMA. There are two contending stations having a packet ready, and both…

A: Consider one - persistent CSMA. There are two contending stations having a packet ready, and both…

Q: The table below shows the number of state-registered automatic weapons and the murder rate for…

A: Regression equationY=0.86x+3.93

Q: Determine the following probabilities: i) the probability that the individual was unemployed = P(A)…

A: Categories of Employment status:A: UnemployedB: Employed.Categories of highest level of school…

Q: What is the probability of a spinner with 5 even colors landing on the same color 4 or fewer times…

A:

Q: Find the indicated probability and interpret the result. From 1975 through 2020, the mean annual…

A: Given,Population mean, μ = 652Population standard deviation, σ = 1541Sample size, n = 35

Q: A manufacturer knows that their items have a lengths that are skewed right, with a mean of 15.2…

A: Mean()=15.2Standard deviation()=3.1Sample size(n)=48

Q: A survey of 137 UNLV students during the fall semester revealed that 91 had Facebook accounts 73 had…

A: Asurvey of 137 UNLV students during the fall semester revealed that:91 had Facebook accounts73 had…

Q: Please show work. Given a continuous random variable X with probability density function: a) What…

A: Given a continuous random variable X with probability density function:

Q: Let X and Y be independent random variables representing the lifetime (in one billion years) of Type…

A: Given data is mean of X is 3mean of Y is 11we have to find the variance of the total life time of 3…

Q: Whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing…

A: She has seen a bag containing three red marbles, two green ones, four white ones, and three purple…

Q: Based on historical data, your manager believes that 25% of the company's orders come from…

A: n=81p=0.25

Q: A recent study evaluated how addicted teenagers become to nicotine once they start smoking. The…

A: The formula of test statistic is,

Q: A group of transfer bound students wondered if they will spend the same mean amount on texts and…

A: Difference in means = Mean(u) - Mean(c) = 1015 - 949 = $66Population standard deviation of…

Q: The population mean and standard deviation are given below. Find the required probability and…

A: X~N( μ , ?)μ=22    , ?=1.22    ,n=67Z-score =( x - μ )/?

Q: The following observations are on stopping distance (ft) of a particular truck at 20 mph under…

A: The formula to calculate the sample mean is,The formula to calculate the standard deviation is,The…

Q: The Venn diagram below shows the 13 students in Ms. Chen's class The diagram shows the memberships…

A: Event A is students in the art club son(A)= 6Event B is students in the dance club son(B)=8Student…

Q: Suppose that the probability mass function for a discrete random variable X is given by p(x) = cx, x…

A:

Q: Find the z-score that has 75.5399% of the distribution's area to its right. The Z-score is. (Round…

A: We have to find the z-score that has 75.5399% of the distribution area to the right

Q: Consider the random movement of a bishop on a chessboard (look up the definitions on the…

A: In the random movement of a bishop on a chessboard, we can model the bishop's movement as a Markov…

Q: According to the following contingency table, if a student attends a religious school, how likely…

A: It is required to find the probability that a student attends a religious school in a rural area, if…

Q: Use the Standard Normal Table or technology to find the z-score that corresponds to the cumulative…

A: From the provided information,The cumulative area is 0.4708.

Q: Let X1,...,Xn be a random sample from a distribution with mean μ and variance σ2. Find the value of…

A: Assume that the random samples X1,..., Xn come from a distribution with mean μ and variance σ.2Then…

Q: Suppose that 100 students take a test in a class. Each student has a 2/3 probability of passing the…

A: a. Markov's Inequality:Markov's Inequality states that for a non-negative random variable X and any…

Q: Whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing…

A: The provided information is as follows:There are three red marbles.There are three green…

Q: A standardized exam's scores are normally distributed. In a recent year, the mean test score was…

A: The mean was 21.5 and the standard deviation was 5.6.

Q: Problem 5 The probability that a basketball player makes a free throw is p= 0.7. The player's free…

A: Given:The probability p of making a free throw =0.7The probability q of missing a free throw…

Q: Consider the following Venn Diagram, which was constructed based on the data from a survey of 222…

A: a)The Venn diagram of total 222 students, who have any of the three social media accounts, is…

Q: Determine whether the quantitative variable is discrete or continuous. Number of days of rainfall in…

A: It is needed to define whether the given variable is discrete or continuous.

Q: Sales delay is the elapsed time between the manufacture of a product and its sale. According an…

A: Given that sales delay (in months) is modeled using a lognormal distribution with parameter values…

Q: Use the Standard Normal Table or technology to find the z-score that corresponds to the cumulative…

A: To find the  -score that corresponds to the cumulative area, we use the standard normal…

Q: Heights (in inches) obtained by a group of people in a random survey is reported in the table. What…

A: We have given the random survey report obtained by a group.…

Q: In 100 trials of this​ experiment, we expect about _______ to result in no more than 4 adults who…

A: n=15 p = 0.45

Q: construct a spreadsheet simulation to simulate 100 customers and collect statistics on the net order…

A: Given,supermarket customers load their carts with goods totaling between  uniformly (and…

Q: Assume that you assign the following subjective probabilities for your final grade in your…

A: GradeProbabilityA0.20B0.50C0.20D0.08F0.02the standard GPA scale of 4=Athe standard GPA scale of…

Q: Books from Sellsevere Press average 1 misprint every 4 pages. A new book coming out soon will have…

A: A Poisson distribution is defined as a discrete frequency distribution that gives the probability of…

Q: The data given to the right includes data from 42 candies, and 10 of them are red. The company that…

A: Sample size n=42Favorable cases x=10Sample proportion p^=x/n=10/42=0.2381

Q: A random variable X has cumulative distribution function

A: A random variable X has cumulative distribution function is,