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Q: store sells 1 smartwatch for every 8 smartphones. How can you use ratios to compare these quantities...

A: From the given information we use ratios to compare quantity.

Q: Twelve different video games showing substance use were observed and the duration of times of game p...

A: to find variance valuestep 1: add them up4107+ 4009+ 4821 + 5025+ 4824 + 4785 + 5041 + 3825+ 4407 + ...

Q: (Interview) A company is interviewing candidates for a data-scientist position. They estimate that t...

A:  

Q: 4. The life T (hours) of the lightbulb in an overhead projector follows an Exp(10)-distribution. Dur...

A: Answer:----.                 Date:----7/10/2021

Q: Assume that the fisherman can use between 5 and 8 lines. With 5 lines, the probability of a catch on...

A: We will solve this question using Binomial probability by applying the probability formula for each ...

Q: The probability that the bus is late any one day is 0.20. Find the probability that, in a week of fi...

A: Introduction: Denote X as the random variable representing the number of days that the bus is late i...

Q: 4.261 Flve-Card Draw. A hand of five-card draw poker consists of an unordered arrangement of five ca...

A: Hi! Thank you for the question, as per the honor code, we are allowed to answer three sub-parts at a...

Q: If a drop of water is examined under a microscope, the number x of a specific type of bacteria prese...

A: Introduction: Denote X as the random variable denoting the number of bacteria in a randomly chosen s...

Q: card is dealt from a complete deck of fifty-two playing cards (no jokers). Use probability rules (wh...

A: Given that: A card deck has 52 cards.  Card Under 3 =  (2)  Total under three cards in 5 suits =  4 ...

Q: * 00 Question 17 目回 : 国 E 自目国 : 回I 国国 国图 圈 田 田 ! 围围 目 困 Two dice are rolled. What is the probability...

A: From the given information we find the probability.

Q: A bank has found that 31 of their 5000 borrowers have defaulted on their loan. They have also found ...

A: Given dataA bank has found that 31 of their 5000 borrowers have defaulted ontheir loan. They have al...

Q: Juan has three boxes-one red, one white, and one blue. He has 9 different objects. In how many ways ...

A: Juan has three boxes-one red, one white, and one blue. He has 9 different objects.

Q: 10 The probability that a Poisson variate x takes a positive value is (1 – e-1.5). Find the variance...

A:

Q: A true-false test contains 23 questions. In how many different ways can this test be completed. (Ass...

A: GivenA true or false test contains 23 questionno.of questions = 23  

Q: 9. An easy way to understand Queuing Model formulas is to understand that L refers to Number of item...

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks Given : L : Numbe...

Q: he maximum grade allow for this exam was 128 points. (a) Find the mean and standard deviation of the...

A: The mean of a data is used to measure the central tendency of a data. The standard deviation measure...

Q: In a commercial survey involving 1000 persons on brand preferences 120 prefer BRAND X only, 200 pref...

A: Data visualization is the process of denoting the numerical data visually. Data visualization can be...

Q: Cal Poly Pomona found that 15% of its students withdraw without completing Calculus I course. Assume...

A: We have given that  p=15%=0.15 , q=1-p=1-0.15=0.85 Sample size=n=30 X~Binomial(n=30,p=0.15)

Q: 1. Calculate the expected value of a Powerball ticket with the jackpot's prize of $620 million. You ...

A: Given information: Prize Odds Grand prize ($620 million) 1 in 292,201,338.00 $1000,000 1 in 1...

Q: A quick quiz consists of a multiple-choice question with 4 possible answers followed by a multiple-c...

A: GivenA multiple choice questionhas 4 possible answers

Q: simplify: (n!)/(n+2)!

A: n! = n(n-1)(n-2)...... 4.3.2.1

Q: In a large population, 64 % of the people have been vaccinated. If 4 people are randomly selected, w...

A: Proportion of people vaccinated (p) = 0.64 Proportion of people not vaccinated (q) : q=1-pq=0.36 n =...

Q: 14. A random variable X has probably density function. fx) = k for –3 1).

A: Probability Density Function: A continuous function f(x) is said to be the probability density funct...

Q: A bag of marbles contains 6 red, 10 white, 7 brown, 2 blue, and 9 green. If we select a marble and D...

A: From the provided information, A bag contains 6 red, 10 white, 7 brown, 2 blue and 9 green marbles. ...

Q: A box contains one yellow, two red, and three green balls. Two balls are randomly chosen without rep...

A:

Q: The Gorman Manufacturing Company must decide whether to manufacture a component part at its Milan, M...

A:

Q: Two machines A and B make 60% and 40%, respectively, of the products. It is known that 3% and 5% of ...

A: Given data: Two machines A and B make 60% and 40%, respectively, of the products. It is known that 3...

Q: A poll of 1000 voters has Biden leading by 538 to 462. What will the pollster indicate as the "margi...

A:

Q: 4. Suppose Xo, X1, X2,... are iid Binomial (2, ). If we view this sequence as a Markov chain with S ...

A: probability transition matrix: A transition matrix consists of a square matrix giving the probabilit...

Q: 3. There are 10 distinct pairs of socks in my drawer, all mixed up. What is the probability that I c...

A: Classical Definition of Probability: If there are n mutually exclusive, exhaustive and equally likel...

Q: In a Poisson process with rate parameter A, the expression 14 - e (1+1 + 2! 14! equals the probabili...

A: Solution

Q: A die is being thrown twice. Find the probability of getting 5 and 1 in each respective throw

A: if we throw a die twice than the total possible out comes is 36and the no.of possible out comes of g...

Q: From a group of 9 people, you randomly select 5 of them. What is the probability that they are the 5...

A: Given : Total group, n = 9 people' Total number of ways of selecting 5 from the 9 are =  C5 = 1269  ...

Q: List the outcomes constituting each of the following four A = event "exactly two heads are tossed", ...

A: The experiment is to toss a fair coin four times.   (The data given in the attached image does not s...

Q: Mr. and Mrs. Roger want to name their first baby so that its monogram, first, middle, and last name ...

A: Combination: The combination is considered to be a way of selecting items from the given collection ...

Q: Draw a driagram of what it means when two events are not mutually exclusive but independent

A:

Q: Tickets for a raffle cost $$8. There were 684 tickets sold. One ticket will be randomly selected as ...

A: Given information- We have given that there were 684 tickets sold, and only one person will be selec...

Q: 35. In a very hotly fought battle, DigeL LLedne ns eeloneupert rebno bnooe 76% at ieast of combatant...

A:

Q: Consider the extract from a life table given below: 53 9950 54 9756 55 9564 56 9374 57 9187 58 9001 ...

A:          Life table is also called as mortality table, it basically represents the surviorship of pe...

Q: Two fair dice are tossed, one red and one green. Let A be the event that the sum of the two dice is ...

A:          The theory of probability has its origin in the seventeenth century.The king of France who ...

Q: How many ways can 6 DVDS be arranged on a shelf? Question Help: D Video

A: Permutation is the process of arrangement of any things or numbers in an order. It is denoted as nPr...

Q: Find all possible two-digit numbers using the digits from the set {1, 2, 3, 4}. Write the set for th...

A:

Q: A baseball team is having a walk-on tryout camp for players. Thirty-four players show up at camp, bu...

A: Number of players (n) = 34 Coaches choosing only (r) = 3 By using combination formula

Q: Standardized testing probably has us more familiar with the term percepercentile or higher on the st...

A: Solution

Q: Random samples of size 9 are repeatedly drawn from a normal distribution with a mean of 80 and a sta...

A: Given data: Mean = 80 Standard deviation  = 20 Sample size  = 9

Q: The table shows the relationship between the number of parents in a household and the number of chil...

A: Given Data : Number of parents Number of children 0 0 1 3 1 5 2 4 2 1 For the number...

Q: Josh has a weighted coin with Pr[H]=0.65 If he flips this coin four times, what is the probability t...

A: *answer: 

Q: Giving a test to a group of students, the grades and gender are summarized below   A B C Total Mal...

A: Given information,   A B C Total Male 4 18 16 38 Female 13 8 17 38 Total 17 26 33 76  

Q: Compute the probability that a five-card poker hand is dealt to you that contains all hearts.

A:

Q: A pharmaceutical company receives large shipments of ibuprofen tablets and uses an acceptance sampli...

A: