The following observations are for two quantitative variables, x and y. Observation     Observation     1 21 61 11 18 98 2 13 89 12 78 38 3 57 56 13 62 36 4 82 20 14 14 96 5 36 51 15 76 23 6 77 25 16 46 79 7 31 48 17 33 58 8 28 96 18 66 70 9 64 51 19 31 35 10 66 52 20 40 34   If your answer is "zero", enter "0". a. Develop a crosstabulation for the data, with x as the row variable and y as the column variable. For  use classes of 10-29, 30-49, and so on; for y use classes of 20-39, 40-59, and so on. b. Compute the row percentages (to 1 decimal). c. Compute the column percentages (to 1 decimal).

Q: and its A. Find the indicated area under normal curve, then convert it to percentage.(. Between 0…

A: P(Z>2.23)=?  P(Z>-1.51)=? P(Z>-0.78)=?   Note: According to Bartleby guidelines expert…

Q: The random variables A and B have variances 0.3 and 0.4 respectively. Let T= 5A-2B. The variance of…

A: Given that  A and B are random variable  Variance ( A ) = 0.3 Variance ( B ) = 0.4 Let T = 5A - 2B

Q: Eight independent measurements were made along a line and the standard deviation was found to be…

A: Eight independent measurements were made along a line.

Q: 4. A company pays an average of Php 100.00 per hour with a standard deviation of Php 15.00. If the…

A: Note: If the question contains multiple subparts only allow to do first three subparts as per…

Q: A random variable, t, has p.d.f. H(t) given by H(t) = 3 e-3t when t >= 0 Calculate the standard…

A: Given: fHt=3e-3t           t≥0 This is similar to exponential distribution with λ equal to 3. It is…

Q: Assume that when adults with smartphones are randomly​ selected, 44​% use them in meetings or…

A: Givenp=0.44sample size(n)=9Let "x" be the no.of adults use their smartphones in meetings or…

Q: need the answer quick

A: Given: fx=x218         -3<x<3 P(X<1)  and P(|X| <1) needs to be calculated.

Q: The probability distribution for the random variable, x, is x:2, 2.5,3.0,3.5,4.0 ,4.5 and P(x):0.07,…

A: Given information: x 2 2.5 3 3.5 4 4.5 P(x) 0.07 0.36 0.21 0.19 0.1 0.07

Q: If a person spends 60 on books priced at 4 each, 60 on books priced at 5 each and 60 on books priced…

A:

Q: A test of reading skills is administered to 12th grade students. The distribution of scores is…

A: From the provided information, Mean (µ) = 288 Standard deviation (σ) = 38

Q: A fair die is thrown, find the amount of information gained if you are told that 4 will appear. a. O…

A: Given information: A fair die is thrown and we are told that 4 will appear.

Q: Forbes magazine published data on the best small firms in 2012. These were firms which had been…

A: age frequency relative frequency cumulative relative frequency 40-44 3     45-49 11     50-54…

Q: Walmart annual/quarterly revenue history and growth rate from 2010 to 2022. Revenue can be defined…

A: Given information: Year Walmart Annual revenue(Billions of US dollars) 2021 559.151 2020…

Q: Let Z be a standard normal random variable and calculate the following probabilities, drawing…

A: a) P(0≤z≤2.61)=P(z≤2.61)-P(z≤0)                         =0.4955, from the excel function,…

Q: Engineers in a design department are assessed by their leader. A 'O' is 'Terrible' and a '5' is…

A: Given:

Q: firmaer the dorfer relating to the field of day bank (oxi), hugut Xs and quitth *3 for 18 a…

A: As per bartleby guidelines we can solve only first question and rest can be reposted

Q: In a recent year, a poll asked 2354 random adult citizens of a large country how they rated economic…

A:

Q: The probability a machine has a lifespan of more than 5 years is 0.8. Ten machines are chosen at…

A: Given that Sample size (n)=10 machines The probability that a machine has a lifetime of more than 5…

Q: Let there be two newly launched phones A and B. The probability that phone A has good battery life…

A:

Q: A random variable, y, has a known probability distribution given by :y=2, 4, 6,8,10 and P…

A: given data  y P(y) 2 0.17 4 0.23 6 0.2 8 0.3 10 0.1

Q: A stream of data consists of four characters A, B, C, D with probabilities 0.1, 0.3, 0.2, 0.4,…

A: Given a stream of data consists of four characters A, B,C and D with probabilities 0.1,0.3,0.2,0.4.…

Q: List the elements of each of the following sample spaces. Complete parts (a) through (d) below. (2…

A: Given: The set of integers between 1 and 50 divisible by 8.

Q: 3. The Family and Medical Leave Act provides job protection and unpaid time off from work for a…

A: Given Let p be the population proportion p^ be the sample proportion n be the sample size   n=420,…

Q: The randomly selected 60 shoppers have rated a new bottle design for a popular soft drink. The data…

A: Given information: 20, 22, 24, 25, 25, 26, 26, 27, 27, 27, 28, 28, 28, 28, 29, 29, 29, 29, 29, 30,…

Q: 4. The table shows the sales of Francine's gift shop for the last 8 months. Francine wants to…

A: Given: x y 1 35050 2 45250 3 37345 4 47652 5 64245 6 42524 7 31246 8 63246

Q: When using 1-Var Stats on a scientific or graphing calculator, the resulting statistical output…

A: Introduction: It is required to discuss about the difference between the two different types of…

Q: Calculate the means and standard deviations of:1, 2, 3, 4, 5 O a. mean = 3; st. dev. = 1.414 b. mean…

A:

Q: E (XY)=E (X)E (Y) if x and y are independent. True b. False O a. O

A: The expectation of a discrete random variable X is a measure of central tendency of the probability…

Q: Find median and mode of the messages received on 9 consecutive 4, 15, 13, 17. 15, 16 O a. O b. 18,15…

A: arrange data in accending order  4,5,9,11,13,15,15,17,18 no. of observations n = 9 we have to find…

Q: Scores in the Rose Bowl The data show the scores of the winning teams in the Rose Bowl. Construct a…

A: Given data is

Q: firm the doofer relating to the friend of day bank (*), hugut K₂ and quirth *3 for 18 einenona. The…

A: As per bartleby guidelines we can solve only first question and rest can be reposted

Q: A company plans to develop new residential projects in an area of a city. The project would consists…

A: Given that, A company plans to develop new residential projects in an area of a city. The project…

Q: Introduction of Statistics. Write the answer before each item. 1. A branch of mathematics that deals…

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

Q: 12. The average waiting time to be seated for dinner at a popular restaurant is 2 standard deviation…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Consider the following weighted averages of independent random variables X1, X2 , X3 all with mean µ…

A: Introduction: The random variables X1, X2 , X3 are selected independently from a distribution with…

Q: QUESTION 18 The mean scores for students in MTH281 course (by major) is shown below. What is the…

A: Mean is the average of all the observations. It is calculated by adding all the observations and…

Q: y = 1.20 (+0.02) x 10-8-3.60(±0.2) × 10-⁹ -9 X Absolute standard deviation Coefficient of variation…

A: By bartleby policy i can gives only 3 subparts answers:

Q: The probability distribution for the random variable, x, is x:2, 2.5,3.0,3.5.4.0 ,4.5 and P(x):0.07,…

A:

Q: p.d.f. h(x) of the random variable x is defined by h(x) =3/(4(1-x²)),-1<x< expected value of x.…

A: Given pdf is,

Q: Find median and mode of the messages received on 9 consecutive days 15, 11, 9, 5, 18, 4, 15, 13, 17.…

A: Median is the measure of central tendency. It divide the data set into two equal halves. It is the…

Q: assessed by their leader. A '0' is 'Terrible a '5' is 'Outstanding'. The 29 members o

A: Given: Scores (x    ) frequency (f) 0 2 1 5 2 6 3 9 4 4 5 3   29

Q: What is the class boundaries, mid point and width for the class 12.3-15.9

A: According to the given information in this question We need to find class boundaries, mid point and…

Q: To assess how women are doing in the workforce, we have gathered data from 120 firms with 100 to 500…

A: Given: Sample size n = 25 Sample proportion p^ = 0.5093 Formula Used: Lower bound of the confidence…

Q: I have a bag containing 40 blue marbles and 60 red marbles. I choose 4 marbles (without replacement)…

A: Introduction: It is required to find P (X=1).

Q: A discrete random variable has probability distribution: x= 1, 2,3,4, 5 and P(x) =0.12,0.15, 0.23,…

A: A discrete random variable is a variable whose values can be obtained by counting. The standard…

Q: Survey Data Overall Satisfaction Rating 3 3 4 1 3 5 433AGANA AW54W 3 2 4 5 4 5 3 4 4 Typical Visits…

A: Given survey data: .

Q: for the binary system if the entrop so the probabilities are: a. 0.3 and 0.7

A: Entropy  Entropy = H(y) = -∑j=1mP(yj) log2P(yj)

Q: 1. Given the normal distribution with a mean of 35 and a standard deviation of 6. Find the area: a.…

A: Given information: X~N35, 6μ=35σ=6 Note: As per guidelines we will solve the first question only,…

Q: Quality Progress, February 2005, reports on improvements in customer satisfaction and loyalty made…

A:

Q: And from this solution, what percentage of times are between 22 & 46 minutes? What percentage is…

A: Given that Population mean=34 minutes  Standard deviation =6 minutes  We have to find the percentage…