7. Find median and mode. Income (above Rs):1000 No. of person: 1500 2000 2500 3000 3500 4000 80 62 33 16

Q: Find E(Y)

A: For the given table E(y ) =?

Q: 3. Below is the preference schedule for an election where the winner is determined by single runoff.…

A: Voters and choices given We have to calculate winner by using runoff method.

Q: fair die is rolled three times. A 2 is considered success while all other outcomes are failures.…

A:

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: We have given thatn = 1056 x = 592 Significance level (α) = 1 - 0.90 = 0.10

Q: Vanessa has a utility function for income given by U(I) = VI (that is the square root of income).…

A: It is given that the utility function for income is U(I)=square root(I).

Q: The joint pmf of X and Y are given in the table below: Y X 2 4 27 15 6 15 1 15 3 15 3 15

A:

Q: Tuguegarao patrol group is concerned about the number of motor accidents along Buntun Highway. They…

A: *Answer:

Q: Suppose that 80% of drivers are "careful" and 20% are "reckless." Suppose further that a careful…

A:

Q: Challenge 4: Binomial Distribution 1. How many ways can a team of 7 be chosen from a panel of 20?

A: As per our guidelines we are supposed to answer only one question per post so i am solving first…

Q: Example 6. In a survey of 500 students in a college 180 were listed as drinking Tea, 275 as drinking…

A: Let T=students in a college were drinking TeaC=students in a college were drinking…

Q: Balls numbered 1 through 20 are placed in a bag. Three balls are drawn out of the bag without…

A: It is given that Total balls = 20 Number of even numbered balls = 10 Sample size = 3

Q: Here is a bivariate data set. y 54.7 71.7 56 32.8 82.5 79.6 49.7 25.4 73.2 88.1 71.4 78.7 81.1 85.8…

A:

Q: Suppose that 67% of people own dogs. If you pick two people at random, what is the probability that…

A: We have given that,  Let X be the number of dogs from binomial distribution with probability of dogs…

Q: Assume that the traffic to the web site of Smiley's People, Ic., which sells customizec follows a…

A: Given data,Mean μ=6.5sd     σ=3P(X>1.5)=?

Q: 8. A consultant's study found Mary's call centre had a 7% chance of transferring a call about…

A: When the occurrence of an event depends on the occurrence of another event, we use conditional…

Q: Instructions: • Write the GIVEN with their respective symbols and units. Do not skip the SOLUTIONS,…

A: Given that  One piece of pipe long cut into two pieces=21 meters Ratio of two pieces=2:5

Q: 20. The following data states the number of ATM centres during 1995–2001. Year: 1995 1996 1997 1998…

A:

Q: The probabilities that discipline officers will discover violations of the student handbook in a…

A: given data

Q: Explain the ratio to trend method of computing the indices of seasonal variations.

A:

Q: You will take either a basket-weaving course or a philosophy course, depending on what your advisor…

A:

Q: container contains 50 green tokens, 20 blue tokens, and 3 red tokens. Two kens are randomly selected…

A: It is given that the number of green tokens is 50, blue tokens is 20 and red tokens is 3.

Q: In monopoly, a player rolls two 6-sided dice and moves the sum of the values shown. If it's your…

A: The player rolls a two 6-sided dice and moves the sum of the values shown. If it's your turn to roll…

Q: Research was conducted on the amount of training for 5K and the time a contestant took to run the…

A: The independent variable is Miles Trained. The dependent variable is Time. We have to do regression…

Q: iterest free loan of Rs. 12000 from Y. The loan is to be repaid in ten installments. Mr X paid Rs.…

A:

Q: Suppose you have a bag of 100 marbles. Fifty of the marbles are red, and 50 are green. You are…

A: Total (100 marbles in bag) 50 red 50 green We have to draw 4 marbles with replacement.

Q: SITUATION 6 (a) The elongation of a steel bar under a particular load has been established to be…

A:

Q: (2) Determine the areas under the normal curve given the mean of the distribution u = 80 and o =…

A:

Q: A researcher studying public opinion of proposed Social Security changes obtains a simple random…

A:

Q: • If a pair of dice is tossed. What is the probability that a. the sum is either 7 or 11? b. the sum…

A: Given that  A pair of dice is tossed  Sample space=S S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)  (2,1)…

Q: Example 2. In a class of 50 students, 40 speak Hindi, 20 speak both English and Hindi and all the…

A:

Q: Four different math books, th ree different economics books, and five different history books are to…

A: Given:Four different math books, three different economics books, and five different history books…

Q: ra sample with data values of 10, 20, 16, 12, and 17. Compute the m 14

A: Given that

Q: For each of the following, shade the normal curve and find the percentage of that shaded part. (Show…

A: As per guideline expert have to answer first three subparts only.

Q: 3.) Quartiles The prices of a gallon of the 21 top-rated interior paints, as rated in the March 2010…

A: Given that  The data are 18,19,19,19,20,20,21,21,22,22,23,23,25,27,30,33,35,35,35,58,61 n=21

Q: In a standard deck of 52 cards, what is the smallest number of cards you must draw to guarantee…

A:

Q: Example 21. B arranges to pay a debt of Rs. 9600 in 48 annual instalments which form an arithmetic…

A:

Q: The table below gives the joint probabilities distribution of two random variables X & Y Green (X=1)…

A: Here we have given joint probabilities distribution of two random variable of X and Y…

Q: (a) In testing a certain kind of truck tire over a rugged terrain, it is found out that 25% of the…

A: Introduction: Denote X as the number of trucks that will fail the test.

Q: An experiment involves tossing a pair of dice, one green and one red, and recording the numbers that…

A: When we rolled pair dice one green and one red  X : outcome on the green die Y : outcome on the Red…

Q: Given the numbers 0, 1, 3, 5, 7, 8 and 9 and if repetition is allowed; a. How many 4-digit numbers…

A: 2.a.  There are 4 spaces in a 4-digit number. _ _ _ _ These 4 spaces needed to be fill using the…

Q: Show that the natural numbers and the rational numbers have the same cardinality.

A: Let integers Z are countable, we might wonder whether other infinite sets are also countable. We…

Q: 1. Find the median of the following: 100-110 110-120 Weekly wages: 90–100 60-70 70-80 80-90 No. of…

A:

Q: For items 3 - 7, use permutation or combination in solving the problems below. 3. In how many ways…

A: As per our guidelines we are supposed to answer only one question per post so i am solving first…

Q: c) Let X and Y be two discrete random variables. We define Z = X + Y , i.e. Vw e Ω,Ζ(ω) -Χ(ω) + Υ(ω)…

A: Given that,    Let X and Y be independent random variables that have the Poisson distributions with…

Q: The joint pmf of X and Y are given in the table below: Y X 4 2 1 15 15 2 15 3 3 15 15 上面00

A: Solution-: We have following table: X Y 0 2 4 1 0 2/15 1/15 2 3/15 6/15 0 3 3/15 0 0…

Q: A simple binary communication channel carries messages by using two signals 0 and 1. It was assumed…

A:

Q: 44. A regression analysis yields the line ŷ = 32 + 0.4x. One of the subjects, Racheal, has x = 60…

A:

Q: a. What is the probability that between 65% and 80% of the sampled students support the university…

A: As part of a course project, a student gathers data on a university campus. The data are related to…

Q: Half of a class took Form A of a test, and half took Form B. Of the students who took Form B, 39%…

A:

Q: 18. Fit a straight line trend for the following data. 1997 1996 1998 1999 2000 Year: Per capita: 25…

A: