The probability distribution function of coded measurements of the diameter of threads of a certain brand follows the function: 0 < x < 1, f(x) = (1+22)' 0, elsewhere. The variance of the X is (to four decimal places)

Q: a. Prepare a forecast of sales for each day, starting with F 1=85 and a= .2. b. Compute the MAD and…

A: From given data we have : Turkeys Sold Monday 80 Tuesday 53 Wednesday 65 Thursday 43 Friday 85…

Q: Two athletes are training for a cycling race. Each athlete recorded the distance (in miles) of their…

A: athletes are training for the cyscle race.Box and whisker plot displaying the summarized record of…

Q: A manager is assessing the correlation between the number of employees in a plant and the number of…

A:

Q: Suppose the data have a bell-shaped distribution with a mean of 40 and a standard deviation of 7.…

A:

Q: Let L be a Lie algebra and let C(L) be the centre of L. Show that an equality dim L/C(L) = 1 is…

A: The center of a lie algebra L is defined as CL=x∈L:x,y=0 for all y∈L. x,y=0⇒x and y commute. That is…

Q: Solve this for me

A: The objective of the question is to find the percentage of rides that fall within a certain fare…

Q: The 10 members of the swim team completed the following numbers of laps at today's practice. 78, 78,…

A: The number of laps at today's practice for 10 members are: 78, 78, 81, 82, 83, 84, 86, 88, 89, 90.

Q: In a lottery game, a player picks six numbers from 1 to 26. If the player matches all six numbers,…

A:

Q: The advertised claim for batteries for cell phones is set at 48 operating hours with proper charging…

A: The given problem is based on a test on population proportion.

Q: Suppose you observe the following occurrence. Answer which of the four properties -A, ~B, ~C, -D are…

A: Given the following occurrences as                                       A    B    C    D…

Q: Is the subset V {(x, y, z, w), y = 3z, w = 2x + 1} a subspace of R*? Show the details of %3D your…

A:

Q: A binomial experiment with probability of success p=0.79 and n = 6 trials is conducted. What is the…

A: Given,Probability of success, p = 0.79Number of trials, n = 6We need to calculate the probability…

Q: A binomial experiment with probability of success p=0.27 and n = 7 trials is conducted. What is the…

A: The question is about binomial distribution.Given :Success probability ( p ) = 0.27No. of trials ( n…

Q: Suppose that the number of points scored by basketball player in a game (X) has a mean of 25 points…

A: From the provided information,Mean (µ) = 25Standard deviation (σ) = 5Sample size (n) = 80

Q: 1. Let A, B and C be the vertices of a right triangle in R with hypotenuse BC. Let D be the point on…

A:

Q: Find my error on the solution. Fully explain

A: we will use properties of logarithm to find simplified form of given expression

Q: 2 Question 2 In a Lilliefors test for normality, using a sample of size 8, a student made this…

A:

Q: Problem 4. Explain whether or not the following sets are subspaces of the given vector space a+ (a)…

A:

Q: The data from Medicine and Science in Sports and Exercise considered ice hockey player performance…

A: Solution-: Given: n=17,s=0.09sec,σ0=0.75 We identify which test is suitable for this problem? Is…

Q: Solve the radical equation and show your check. 2√x + 7 = -20

A:

Q: The sodium content of twenty 300-gram boxes of organic cornflakes was determined. The data (in…

A: Given information- We have given the sodium content of 20, 300-gram boxes of organic cornflakes.…

Q: A metal bolt is to be inserted into a hole. A random sample of n = 16 parts is selected, and the…

A: Confidence interval: The (1-α) % confidence interval for population variance is given by:

Q: Ask Bard to solve the IVP: y" + 4y = 0, y(0) = 3, y'(0) = 0. and check if its answer is correct.

A: We have to solve the initial value problemy'' + 4y = 0, y(0) = 3, y''(0) = 0 and check if its answer…

Q: The data from Technometrics considers the variability in repeated measurements of the weight of a…

A: The claim is that the standard deviation differ from 0.01 grams.

Q: Here is a scatter plot for a set of bivariate data. What would you estimate the correlation…

A: The strength and direction of linear relationship between two variables is measured by correlation,…

Q: The joint density function of random variable X and Y is given by {12x*y*(1 – x) 0<x, y < 1 0 < x, y…

A: Note: " Since you have posted many sub-parts. we will solve the first three sub-parts for you. To…

Q: B. Vectors and Systems Consider the following system of equations: x1 + x2 - 4x3 + 2x4 = 2 4x1 + x2…

A: Using row reduce echelon form we can get the answer

Q: Systolic blood pressure for men over age 40 has a u- 135 and a- 7. What is the range of the middle…

A:

Q: Let E = {p1, P2,, PN} be a finite subset of a closed interval [a, b), and g : [a, b] →R be a…

A:

Q: The probability that someone passes the road test to get a driver's license is 0.38. Let N represent…

A: Geometric distribution: The probability mass function of Geometric distribution is P(n) = p(1 - p)n…

Q: Jating the QCJ3 ) and Q(J5) are not ahigisomorblic . $: Q(53)-> Q(J5) de that

A: Assume that is a ring isomorphism. Then Which implies that for all x. Then since Then we must…

Q: 2. Flip a fair coin twice. Let H: the coin lands on a head; T: the coin lands on a tail. S = {(H,…

A: Here the probabilities are P(H) = 0.5; P(T) = 0.5 Question a: P(Both are H) Total number of ways = 4…

Q: 1. Use the ed definition to prove that the function f(x) = = (a) continuous at z = 0. (b) continuous…

A:

Q: Find the area of the shaded region. The graph depicts the standard normal distribution with mean 0…

A: Let Z be the standard normal distribution with mean 0 and standard deviation 1.

Q: using esting phygmomanometer were: systolic blood pressures measured an 120 140 100 120 150 Test…

A: Given problem is :