Determine whether the variable is qualitative or quantitative. Explain your reasoning. Registration numbers for a marathon The variable is quantitative because registration numbers are attributes or labels. numerical measurements.

Q: The management of a university did a survey on students’ hobbies. They found that 5% of the students…

A: Let A be the event of selecting a student who enjoy reading. Let A' be the event of selecting a…

Q: function Emgt X and Y, explain how conclude that X and y'are independent. Using moment.. two random…

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Q: An article reported that, in a study of a particular wafer inspection process. 356 dies were…

A: It is given that  Sample size n = 356 Number of dies pass the probe, X = 216 Confidence level = 95%…

Q: *****The mean LDL for normal individuals is 34 ± 4.5 mg/dl and for diabetic individuals is 45 ± 4.5…

A:

Q: 9th play. answer should be 0.0212

A: We have given that P(win) = 1/38 P(loose) = 1- 1/38 = 37/38

Q: Compute (a)  ?(? = 1), (b) ?(? ≥ 4), and (c) ?(1 ≤ ? ≤ 3).

A:

Q: Based on the values of the mean and the median, decide whether the data set is skewed right, skewed…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: If the random variable X is uniformly distributed between 10,000 and 12,000, then what is the mean…

A: From the provided information, X is uniformly distributed between 10,000 and 12,000. X~U (a, b) Here…

Q: 10) Consider a binary digital modulation system, where the carrier amplitude at the receiver is 1 V,…

A:

Q: Let X be the number of applicants who apply for a senior level position at a large multinational…

A: Given data is No. of Applicants 0 1 2 3 Probability distribution 0.15 0.3 0.4 0.15

Q: Ee

A: Given that average=11.4s

Q: Example: A tensile strength of synthetic fabric have a normal distribution with 600 newton mean and…

A: GivenMean(μ)=600Variance(σ2)=64standard deviation(σ)=64=8The buyer of the fabric wants the breaking…

Q: A bag contains 200 balls that are either red or blue and either dull or shiny. There are 55 shiny…

A: Given: A bag contains 200 balls There are 55 shiny red balls 91 shiny balls, and 79 red balls

Q: There are two road from A to B and two roads from B to C. Each of the roads has probability 0.1 of…

A:

Q: Ultra high performance concrete (UHPC) is a relatively new construction material that is…

A:

Q: A tree diagram showing how many ways a nickel, a regular die, and a quarter could be flipped.

A: The objective is to draw a tree diagram that shows the number of ways of flipping a nickel, a die…

Q: 1. A simple random sample of 100 students is selected and each person is asked the following…

A: Hi! Thank you for the question. As per the honor code, we are allowed to answer 1 question at a…

Q: Midterm: 85 76 87 73 92 85 93 66 85 68 Final: 83 78 85 75 93 88 92 72 85 73 Assume the final score Y…

A: Data has n observations with one explanatory variable and one response variable. The model is that…

Q: 8 - Cov(xy) = a-E[x]-E [Y] b-E[x] E[y] C-E [xy] d-E [xy]-E [X]E[y] а

A: Objective of this question is that which option is the correct choice.

Q: Q1-2: Answer either [0] (true) or [X] (false) and explain. frequency ...... 2 3 4 5 6 7 8 9 10 11 12…

A: First we calculate the theoretical (population) mean. Mona rolled two six sided dice then presented…

Q: The average price for an acre of land is $20,000 with a standard deviation of $2500.  What is the…

A: From the provided information, Mean (µ) = 20000 Standard deviation (σ) = 2500 X~N (20000, 2500)

Q: 2. The random variable X has the following probability distribution. 2 6 .4 X P(x) -3 .2 Find the…

A: Answer:- Given the probability distribution of the random variable X is  X -3 2 6 8 P(x) 0.2…

Q: Seatbelts is a built-in R time-series, giving the monthly totals of car drivers in Great Britain…

A: Note: Hi there! Thanks for posting the question. Since you have posted a question with multiple sub…

Q: 1) I have a sum of money and spend % of it on a t-shirt. I then spend ¹/3 of what was left on a…

A:

Q: The serum cholesterol levels (in mg 222, 230, 218, 213, 196, 208, 235, 220, 247, 254, 242, 215, 259,…

A: Given data is222,230,218,213,196,208,235,220,247,254,242,215,259,237,186,232,249,206sample…

Q: Ink Inc., a publishing firm, offers its 899 employees a cafeteria approach to benefits, in which…

A: GivenTotal no.of employees = 899No.of employees have health insurance=713No.of employees have dental…

Q: Persons having Raynaud's syndrome are apt to suffer a sudden impairment of blood circulation in…

A: Given Information: Sufferers: Sample size m=9 Sample mean x¯=0.63 Population standard deviation…

Q: The theoretical probability of swimming, P(swimming), is , but the experimental probability is .

A:

Q: Let S = {1, 2, 3} be a sample space, and E = {1}, and F = {2, 3). Are the events E u F and E' n F'…

A: Given that S={1,2,3}, E={1}, F={2,3}

Q: A box contains 40 diodes of which 10 are known to be bad. Diodes are selected at random. If the…

A: There are 40 diodes in a box, among which 10 are bad.

Q: An article contained the following observations on degree of polymerization for paper specimens for…

A: Given information, An article contained on degree of polymerization for paper specimens for…

Q: A bag of equally-sized marbles contains 6 green marbles, 8 blue marbles, and 10 red marbles. Amber…

A: Given that : A bag of equally-sized marbles contains 6 green marbles, 8 blue marbles, and 10 red…

Q: The amount of time, X, in minutes that it takes a rat to navigate a maze has the following…

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

Q: Data were gathered on how high dolphins jump from the surface of the water based on body length. The…

A: From the provided information, Number of observations (n) = 10 The data values are as follow:…

Q: • Example: In a length of hospitalization study conducted by several cooperating hospitals, a random…

A: From the provided information, Sample size (n) = 64 Population standard deviation (σ) = 3 Sample…

Q: Example: Given two normally distributed populations with equal means and variances of o2 = 100 and…

A: Given that : μ1=μ2n1=25n2=16σ12=100σ22=80

Q: хххххх хххххххх хх ХХХХХХХХХ XXXX 1 2 3 4 5 6 Visits to the gym in 1 week How many students went to…

A: From the above graph we can create frequency distribution table:  Visits to the gym Number of…

Q: The number of emails a professor receives per day is observed to be a Poisson random variable with…

A: Given  p=2/3 , variance=81, time=t=5min

Q: 8. Three students, Esther, Jean and Ruth are in a race. Esther is twice as likely to win as Jean,…

A: It is given that  P( Jean ) = 3*P( Ruth ) P( Esther ) = 2*P( Jean )   Note: According to Bartleby…

Q: In a college of 1600 students, each student takes 5 courses that meet three times per week, and…

A: Given, total students (n) = 1600, total courses (c) =5 and total classes (C) = 3 per week Total…

Q: You take a sample of the heights (in inches) of 12 professional basketball players. The data are:…

A: Given data: 79, 76, 77, 79, 81, 83, 79, 76, 78, 83, 87, 85.

Q: 17. A batch of tablets has normal distribution of their weight with mean of 300 mg standard…

A: Given data Normal distributionμ = 300σ =  35n = 25P(x¯ ≥ 310) = ?

Q: Three balls are to be randomly selected without replacement from an urn containing 20 balls numbered…

A: Three balls are to be randomly selected without replacement from an urn containing 20 balls numbered…

Q: A ⋃ B = B ⋃ ____ (fill in the blank) 2. A·B = B ·_____ (fill in the blank) 3. A ⋃ S = ____ (fill…

A: Answer:- we know that ,the union of two set is commutative . That is   X U Y = Y U X  Dot product…

Q: h) What is the median of X?

A: Given information rate=1/12

Q: Compare the scores: a score of 220 on a test with a mean of 200 and a standard deviation of 21 and a…

A:

Q: Suppose that components are available, and that each component has a probability of 0.90 of…

A:

Q: A group of people were given a personality test to determine if they were Type A or Type B. The…

A: The given data is as follows.   Male Female Type A 55 75 Type B 48 22 The probability is…

Q: An advertising campaign is canceled before launch with probability 0.10, in which case the marketing…

A: Let A, denote event that campaign is canceled before launch.Let B, denote event that launched but…

Q: If X is a binomial random variable, use the Binomial cumulative distribution table (or the…

A: From the provided information, X is a binomial random variable. b) X~B (5, 0.1)