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Statistics, The following is the heart rate for 10 randomly selected patients on the unit. Find the mean, variance, and standard deviation of the data using the descriptive statistics option in the da
Statistics, A researcher is interested to learn if there is a linear relationship between the hours in a week spent exercising and a person’s life satisfaction. The researchers collected the following
Progect 2, This is a project assignment that must be submitted next Saturday. It's okay if it plagiarism. It's more important to show my work. I have attached the assignment. Can you help me.
Homework, The waiting times between a subway departure schedule and the arrival of a passenger are uniformly distrubted btween 0 and 6 minutes. Find the probability that a randomly selected passener h
Statistics, The mean reading was 36.5degrees Celsius. When converted to Fahrenheit, what is the mean and standard deviation?
Compute the angle betwween two planes and parametric equation for the line interscting the planes.
Write down the closed form (no "..." going to infinity allowed) of the generating function where the coefficient of x^n is the number of partitions of n are there such that the following conditions
A manufacturer produces lightbulbs at the Poisson rate of 237 per hour. The probability that the lightbulb is defective is 0.013.
The perimeter of a rectangular piece of poster board is 96 in. The length is 8 in. greater than the width. Find the width and the length.
Given an infinite supply of the regular hexagons whose sides have lengths of either 1 unit or 2 units, is it possible to tile plane so as to employ at least one hexagon of each size. (When the plan
A lottery is organized as follows. Tickets that bear numbers 1, 2, 3, ..., 2013 are placed in the box (there're exactly 2013 tickets). The lottery director repeatedly removes the handful of tickets,
A thirty-year annuity X has annual payments of $1,000 at beginning of each year for twelve years, then annual payments of $2,000 at beginning of each year for eighteen years.
Bob has two six sided dice. One of dice is fair, but the other is biased as well as shows one of the its faces with probability 1/2 and each of its other faces with the probability of 1/10.
A fifty-year annuity-due is level except for the mth payment. The m-th payment is $3,000 and each of the other payments is $5,000. When calculated using an annual effective interest rate of 4%, the
Find a Particular Solutions to the diffential equation y" - y' - 6y = e^3t.
Discuss that the pair M = (S,I) is the matroid, where S is the set of all vertices of T , and I is the family of vertex sets that contain at most half of the vertices from every subtree.
We are given n intervals in real line, where the left and the right endpoints of the intervals are stored in the arrays L[1..n] and R[1..n], respectively.
A valid path starts from any square along the left boundary of board, ends at any square along the right boundary of the board, and it can make single moves from one square to an adjacent square (cr
Determine the absolute maximum value and absolute minimum value, if any, of the function. (If an answer doesn't exist, enter DNE.)
A company is interested in estimating the true mean age of truck drivers. A statistician appointed by the company should find out the sample size required in order to make the determine accurate to
Television viewers often express doubts regarding the validity of certain commercials. In an attempt to answer their critics, a large advertiser desires to determine the true proportion of consumers
An oil company is interested in determining the true proportion of female truck drivers based in five southern states.
Determine the minimum number of employees which should be sampled by the corporation if it wishes to determine the employees' true mean number of years to retirement to in one year of the true mean