10)10. In a survey of 200 MDM4U students, the following information was found: 68 enjoy crosswords, 97 enjoy baking, 71 enjoy acting, 20 enjoy acting and crosswords, 29 enjoy acting and baking, 23 enjoy baking and crosswords, 28 do not enjoy any of those three activities. Explaining any calculations, A. How many people enjoy all three activities? B. How many people enjoy only acting? 22 C. How many people enjoy only baking?

Q: Find the marginal probability density function (and the range) of X. Please provide the solution…

A:

Q: In a survey of 100 randomly selected dentists, 24 dentists recommended Pearly brand over the other 5…

A: The random variable X is the dentists recommended Pearly brand toothpasteThe total sample size is…

Q: A computer network shares a printer. Jobs arrive at a mean rate of two jobs per minute and follow a…

A: Given that, M/M/1 queuing model with, Arrivals Distribution:  Poisson, Arrival rate (λ) = 2 jobs per…

Q: Many psychologists are concerned that the average level of anxiety in children has increased over…

A: The population mean of the year 1980's is The sample mean of the year 2021's is The sample standard…

Q: Question 1. Historically a bank expects about 5% of its borrowers to default (not repay). The bank…

A:

Q: An asphalt plant producer investigates the alternative designs to increase the efficiency of the…

A: To determine the value of alpha (α) for constructing individual confidence intervals using the…

Q: A pharmaceutical company has developed a new drug called Antisubcillin to treat substance use…

A: Given , two groups of rats were formed: one group receiving Antisubcillin and another group…

Q: Problem #6: Let X be a Poisson random variable with parameter 4, and I a geometric random variable…

A:

Q: Use the following to answer the next 3 questions. A lumber manufacturing company would like to…

A: PopulationSample meanSample Standard deviation Sample SizeBorad A305.4…

Q: Q4) You are on a TV show and the presenter shows you 3 boxes: box 1, box 2 and, box 3. There is…

A: Total number of box shown by the presenter = 3(Box 1, Box 2 and Box 3)Amount of check = 1M$.

Q: A school counselor randomly selects a sample of 30 students to investigate the impact of a behavior…

A: Solution-:A school counselor randomly selects a sample of 30 students to investigate the impact of a…

Q: Choose the statement(s) which is/are true of a normal distribution. 1. The graph of a normal…

A: It is given that the statements about to the normal distribution. Here, we need to find out the…

Q: (b) Find P (More than 3). P (More than 3) = X S

A: A student takes a multiple-choice test that has 11 questions. Each question has 5 choices.Thus,  and…

Q: In hypothesis testing, why do we start with a no-difference null hypothesis and then try to reject…

A: A null hypothesis is a statement of no difference between the population parameter and a…

Q: If 2 cards are selected from a standard deck of 52 cards without replacement, find these…

A: From the provided information,2 cards are selected from a standard deck of 52 cards without…

Q: What is the probability of flipping a fair coin and getting heads twice in a row?

A: Flip a fair coinP(Heads twice in a row) = ? for fair coin P(Head)=P(Tail)) = 0.5

Q: Determine the​ range, mean, and standard deviation of the data set.   ​{15​, 12​, 15​, 14​, 14​, 2​,…

A: It is given that The data set is15​, 12​, 15​, 14​, 14​, 2​, 9​, 18​

Q: What is the variance of the number of blowouts experienced by the 15 trucks?

A:

Q: Read, analyze and answer the following problems. 1. In a well shuffled standard deck of 52 cards,…

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

Q: ur flight has been delayed: At Denver International Airport, 87% of recent flights have arrived on…

A: P = 0.87Sample size=n = 11Using binomial distribution formulaP(X=x)=nCx(p)^x(1-p)^(n-x)

Q: em #4: A man and woman agree to meet at a certain location at 12:35 pm. If the man arrives at a time…

A: A man and woman agree to meet at a certain location at 12:35 pm. If the man arrives at a time that…

Q: graded belief violates one of the Kolmogorov axioms or rules for probability functions

A: (a) To find a Dutch Book for Carol, we need to identify a set of bets that will result in a sure…

Q: Zara and Sue play the following game. Each of them roll a fair six-sided die once. If Sue’s number…

A: we need to consider all the possible outcomes of the two rolls. There are 36 possible outcomes for…

Q: Q1: Suppose a researcher wished to do a study on the efficiency of 50 engineering companies in Iraq.…

A: Frequency distribution:A frequency distribution describes the number of observations for each…

Q: The default a level generally accepted as the standard for social science research is 5

A: Asked for The default  level generally accepted as the standard for social science research We know…

Q: Please help me solve this Probability & Statistics question. 3.2-11. If X is χ2 (17), find (a) P(X…

A: Let X be the random variable from Chi- square distribution with degree of freedom (df) = 17Note…

Q: What is the value of the finite population correction factor given a population consisting of 3, 4,…

A: From the provided information,The data values are as follow:3, 4, 5, 6, and 7Population size (N) =…

Q: clc clear n=63;%the number of servers request_n=3000; %the number of request %An example of an IPv6…

A: let's address each part of Task 2:A. Regarding the Mid-square method-based hash function: (i)…

Q: Traditionally, the psychology department had offered the Psychological Statistics course in the…

A:

Q: A music student wants to know if taking a difficult math course will improve his musical ability.…

A: A music student wants to know if taking a difficult math course will improve his musical ability.…

Q: ifferent activities that need to be performed to complete a diate predecessor for each activity and…

A:

Q: Find the joint probability density function (and the joint range) of X and Y

A:

Q: An LP model for a marketing research application uses the variable HD to represent the number of…

A: An LP model for a marketing research application uses the variable HD to represent the number of…

Q: Researchers are interested in the effect of pet companionship on depression in elderly adults. They…

A: According to the given information in this questionWe need to identify the correct option

Q: Four cards are drawn from a deck without replacement. Find these probabilities. a. All are kings. b.…

A: In pack of 52 cards no.of king cards=4no.of diamond cards=13no.of red cards=26Total no.of cards=52

Q: Take a guess: A student takes a multiple-choice test that has 11 questions. Each question has five…

A: sample size(n)=11p=                              (i.e., 1 correct choice from 5 choices)Let "x" be…

Q: 3. A consulting firm submitted a bid for a large consulting contract. The firm's management felt bid…

A: A consulting firm submitted a bid for a large research project. The firm's management initially felt…

Q: The answer is wrong

A:

Q: Recall that a full deck of cards contains 52 cards, 13 cards of each of the four suits. Distribute…

A: To compute the expected value of N, denoted as E(N), we…

Q: Based on historical data, an insurance company estimates that a particular customer has a 2.4%…

A: Answer: an insurance company estimates that a particular customer has a 2.4% likelihood of having an…

Q: A parking lot has 16 spaces in a row. Twelve cars arrive, each of which requires one parking space,…

A: There are 16 spaces in a parking lot. 12 cars arrive, each of which requires one parking space.Their…

Q: eight where the probability density function for the weight of passenger luggage is increa al Rule…

A:

Q: using binomial distribution Write down the expected number of passengers who will arrive to board…

A:

Q: Suppose x is a normally distributed random variable with mean μ = 0 and standard deviation o = 1.…

A: It is given thatMean, μ = 0Standard deviation, σ = 1Z-Score, Z = ( X - μ )/σwhere, Z be the standard…

Q: Let the event A = {Y ≤ 0.36}. Find the conditional PDF (and the range) of Y given A and the expecte…

A: Let X and Y have a joint density function

Q: Which situation describes two independent events?     Responses A marble is selected from a bag with…

A: In the given example we want to determine which situation two independent…

Q: Which one of the following answers is a wrong answer to a probability question? 1.5 .5 1 .0012

A: It is needed to discuss about the probability.

Q: The following table represents the numbers of students in a section of Math 120 with declared or…

A: Total student (T)=163Total declared student(D) =146Total sophomore(H) =28

Q: With A, B, X defined as before, determine whether the following statements are true or false: 1. A…

A:

Q: Which of the following statements seems to be the best interpretation of the test results? For every…

A: Regression equation sample siz n = 8  x=Hours studying per week y= GPA