QUESTION 13 An IT technician recorded the time in minutes per user in a random sample of 49 students on social media on the campus WIFI network. The resulting 95% confidence interval for the population mean was (149.6 min, 185.4 min). What is the sample mean used to calculate the given interval? Round your answer to the nearest whole number (integer).

Q: probity that the dare both 2

A: Two dices are rolled.

Q: In an um we have 2ored and 30 white balls. 10 balls are chosen with replacement • Find the…

A:

Q: 1. Marginal and Conditional Probabilities Consider the following joint distribution. Xo|X1|X₂||…

A: a) PX0=1,X1=0,X2=1=0.120, from the given table

Q: Residents of a city voted. The ratio of yes votes to no votes was 3:2. If there were 3965 total…

A: Residents of a city voted. The ratio of yes votes to no votes was 3:2. The total number of votes is…

Q: sports petition determined that the probability of a certain team winning its next match is 3/8.…

A: Given:  Probability of a certain team winning its next match is p= 3/8  The odds against - the ratio…

Q: Aubrey is designing a new board game, and is trying to figure out all the possible outcomes. How…

A: given data  spinner :{red,green,blue,oraange}   n1 = 4 fair die:{1,2,3,4}…

Q: A study to look at the prevalence of schizophrenia has 75 participants and 5 experimental groups.…

A: Given, a study to look at the prevalence of schizophrenia has 75 participants and 5 experimental…

Q: The odds in favor of a character casting a spell are 11/8. What is the probability of her character…

A: We have given , The odds in favor of a character casting a spell are 11/8. And we have to find,…

Q: The fresh egg weight of a randomly selected egg of a Gadwall Duck is a random variable with a mean…

A: It is given that  Mean, μ = 43.1 Standard deviation, σ = 1.9 Sample size, n = 599

Q: Problem #1: A box consists of 12 components, 7 of which are defective. Problem #1(a): Problem #1(b):…

A:

Q: It rains one-dollar bills on Pluto at an average rate of 24.3 bills per hour. (a) What is the…

A: given data  λ = 24.3 per hour x = no. of bills int hour P(x=X) = e-λt(λt)xx!   _________poisson…

Q: mail-order company advertises that is ships 90% of its orders within three business days. You select…

A: Company claim : 90% orders ships within 3 business days  100 out 5000 selected (found 86 shipped on…

Q: Big babies: The Centers for Disease Control and Prevention reports that 30% of baby boys 6 - 8…

A:

Q: On their website, a property management company states that the mean monthly rent for apartments on…

A: (a) Hypotheses: H0:μ=750H1:μ<750

Q: Micheal invested $2000 in a certain stock. At the end of the year the stock could be worth $1600,…

A:

Q: The overhead reach distances of adult females are normally distributed with a mean of 205 cm and a…

A: Given that  Mean = M = 205 , Standard deviation = SD = 8.3 Sample size = n = 15

Q: 2- Random sample with size n with p.d.f define as follows: f(x; 0) = √e-(x-0) 0 Find the estimators…

A: We have: f(x) = e-(x-θ)       θ≤x<∞

Q: In 2016, more than 200,000 students took the AP® Statistics exam. Of these students, 14% earned the…

A: Z score is calculated using the combined value of mean and standard deviation. The z score is used…

Q: Solve the problem. The odds in favor of a horse winning a race are posted as 4:3. Find the…

A:

Q: The college's soccer team will play II games next fall. Each game can result in one of three…

A: There are 11 games in total. Each game can result in 3 possibilities that is win, loss, tie

Q: The probability density function for an experiment is ƒ(x) = where 4x 1 ≤ x ≤ eª. Find the…

A: It is given that the probability density function for an experiment is  f(x) = 1/4x,     1 ≤ x ≤ e4

Q: Three cards marked E, F and G, respectively, are placed in a container. A card is drawn, the letter…

A: "Here, the first problem is incomplete, so we assume the request is for the second problem." A tree…

Q: Ahmed receives a weekly salary of $250, plus an additional $300 for each car sold. Find the mean and…

A: Salary=250 and 300 additional for each car sold. Salary = 250 + x*300  x = number of car sold

Q: 5. Using empirical probability, suppose you tossed a fair coin 500 times and noted that it landed on…

A: Probability=favorable/total

Q: A single card is drawn from a deck of cards. Compute the conditional probability of getting a spade,…

A:

Q: An experiment consists of rolling two fair dice and adding the dots on the two sides facing up.…

A: From the provided information, Two fair dice are rolled. Total outcomes = 36

Q: he stem-and-leaf plot shows the number of mini-marshmallows eaten in one minute by a group of people…

A: Data given 29,38,39,42,46,47,48,48,53,55,55,55,61,63,67

Q: A paper demonstrated the application of Bayes's Rule for making inferences about testosterone abuse…

A: use testosterone(user) not use testosterone(nonuser) total test positive 75 17 92 test…

Q: order sixteen burritos to go from a Mexican restaurant, six with hot peppers and ten without.…

A: Given that  Total burritos = 16 Hot peppers = 6 Not hot peppers = 10 3 burritos are selected at…

Q: 33. Suppose you divide an ordinary deck of cards into two decks Deck 1 consists of of the red cards…

A: Introduction: Denote H as the event of getting a head on flipping the coin, and A as the event of…

Q: Example 7: Use a tree diagram to find the possible three-digit numbers than can be written using…

A:

Q: How did you find the 1/5 values for each part of the integrals? The 2/5 was highlighted as the…

A: Given that  A point is chosen at random on a line segment of length L Interpret this statement, and…

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

A:

Q: 2. Two dice are rolled. Find the probabilities of the following as reduced fractions and justify.…

A:

Q: A single die is rolled 3 times what is the probability that a 5 will show atkeast once

A: A single die is rolled 3 times what is the probability that a 5 will show atleast once

Q: A research institute poll asked respondents if they felt vulnerable to identify theft. In the poll,…

A: Given,n=982x=529α=1-0.90=0.1α2=0.05Z0.05=1.645

Q: If a true-false test with 5 questions is given, what is the probability of scoring (A) Exactly 80%…

A:

Q: a e 0% Yellow is dominant (Y) to blue (y) in a species of beetles. Y y What is the probability that…

A: Given that there is yellow dominant(Y) to blue(y) in a species of beetle. There are 4 possibilities.…

Q: When Miguel starts his new job, what is the probability that the last four digits of his new office…

A: Forming 4 digit numbers

Q: Spray drift is a constant concern for pesticide applicators and agricultural producers. The inverse…

A:

Q: New-Home Prices If the average price of a new one-family home is $246,300 with a standard deviation…

A: Given Mean=246300, standard deviations=15000 P(a<X<b)=0.90

Q: A far die is thrown Loice. And the probability that the result of the first throw 16 greater than…

A: The given probability can be calculated using the formula,  Probability = (Favourable outcome /Total…

Q: 1) Based on a survey of annual incomes in 100 households. The following table gives the data. Income…

A: Note- Since you have posted multiple questions, as per our guidelines we are supposed to answer only…

Q: suppose an 8-digit ID number is chosen at random. What is the probability that the ID number does…

A: By classical definition of probability, the probability of an event is the ratio of the number of…

Q: Let X and Y represents the width and length for the plot respectively and suppose that the fence he…

A:

Q: A two-way frequency table contains data about the method students use to travel to school and their…

A: Method : By using the contingency table

Q: Researchers conduct a study to measure the risk of developing severe respiratory disease amongst an…

A: Given information: The data of severe respiratory disease at the end of 5-year study period is…

Q: During its grand opening week, Stickler's bicycle shop offers a "wheel of discount savings." (This…

A:

Q: The monthly earnings of computer systems analysts are normally distributed with a mean of $4,300. If…

A: Given that  Population mean =4300 Row score =6140 Z-score =( x - μ )/?

Q: 3. Let X and Y be two random variables with and fy(y) = 10, fxy(x|y) = 2/3, if 0 ≤ y ≤1 otherwise,…

A: Given information: fy=53y23, 0≤y≤1fx|y=ye-yx, x≥0 Consider, fx,y=fx|y*fy         =ye-yx*53y23…