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Beginning Statistics
Basic statistics quizlet
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Introduction for solving expected value x:
In this topic we will discuss about solving expected value x for discrete chance variable. Expected value is one of the fundamental thoughts in probability, in a sense more general than probability itself. The expected value of a real-valued chance variable offers a compute of the center of the distribution of the variable. More significantly, by taking the expected value of a variety of functions of a general random variable, we can work out a lot of interesting features of its distribution, including spread and correlation.
Formula for solving expected value x:
The following formula which is used to calculate expected value for discrete random variable shows given below.
Expected value E(x) = sum (xi. P (xi))
x = discrete random variable
P(x) = probability distribution
Example problems for solving expected value x:
Solving expected value x - Example 1:
1) Evaluate the expected value for the discrete chance variable (1/18). Where x is start from 0 to 4.
Solution:
Expected valu...
18. Middle school student received $95 in all for selling candy. He sold the first box for $20, and the remaining boxes for $15 each. Solve the equation below to find p.
1. I am asked to compute the before-tax Net Present Value or NPV of a new ski lift for Deer Valley Lodge and advise the management there of the profitability. Before I am able to make this calculation there are a few calculations that I will need to make first. First the total amount of the investment, this will be the cost of a lift itself $2 million plus the cost of preparing the slope and installing the lift $1.3 million.
(Total the number of observations. Summarise the observations (risk and prioritise them in a list due to the final figures )
There are 36 outcomes (elements) of rolling two dice, out of that 4 of them for getting 9 with the sum of even and odd numbers.
2. Given the forecasts provided in the case, estimate the expected incremental free cash flows associated with Du Pont’s growth strategy and maintain strategy for the TiO2 market. How much risk and uncertainty surround these future cash flows? Which strategy looks most attractive (i.e., using the DCF (e.g., NPV) method)??
A sample of children ranging from 4 to 13 years old are going to be asked to watch a Rainbow Brite video. The children will be randomly picked from a childcare center. To ensure that the children are going to be randomly assigned, the children will range in different age groups. The first group will consist of 4, 6, and 8 year olds. The second group will consist of 10,12, and 14 year olds. It would have to be a field experiment because you have to go out and collect the data.
1. Is it proper to multiply the average order size, $42.33, by the number of addresses (1,300,000) in the target mailing?
The Lady Tasting Tea is a really interesting book, which draws a picture of statistics’ development in 20th century. Many famous people who contributed to this filed are introduced with their talented creations. You even do not need to own professional statistical knowledge. Just some basic mathematical knowledge is enough. And in this book, we do not only see these persons’ inventions and applications of statistics, but also their very distinct characteristics.
Real options analysis as a tool for making investment decision is taking into account uncertainty and building flexibility in the system. In the real option analysis, more elements are drawn as follows: 1) the time elapsed until the option is no longer valid or time to expiration, 2) the volatility of the returns to the investment or underlying risky asset. It offers a supplement to the NPV method that considers managerial flexibility in making decisions regarding the real assets of the firm.
There seems to be no formula to explain the reasons behind a young, hopeful, poor, farm-boy elected and destined for greatness. In F. Scott Fitzgerald’s, The Great Gatsby, Jay Gatsby “sprang from his Platonic conception of himself” (Fitzgerald 98), designating himself as the direct son of G-d, and supposedly inheriting all the greatness that accompanies such a role. But due to Gatsby’s tenacity and sensitivity to the possibilities of life, he is able to actualize the greatness contrived in his Platonic conception of himself in a special way and utilize this self-imposed power as if he truly had inherited it from G-d. With this, Gatsby finds success on a short-term scale by sustaining a front in order to become esteemed for his greatness among the public rather than on a long-term scale by carefully putting his talent to use to find the right path to ultimate success. His approach is one of always trying to prove the legitimacy of his seemingly artificial election to the world, even when he knows it is real. In the play “Proof,” by David Auburn, following the loss of her father, rather than temporarily satisfying herself by short-term methods, Catherine endures her struggle to manage her own inherited greatness and mental illness, consequentially discovering her talent and writing a proof until she finds a confidant, Hal, who is able to guide her on her journey for success.
The continuing value for the residual earnings was determined by taking 2010s projected residual earnings and multiplying it by 1 plus
- The first way is trying to determine the number of outcomes that satisfy the condition being evaluated and divide this by the total number of possible outcomes.
Financial Engineering (FE) is the second point that the article discusses. To fully understand financial engineering, we should understand the Black-Scholes-Merton (BSM), which is an option-...
The measurement of risk is the main reason for the concept of risk free rate and its importance to the theory of finance. All investments are made with the expectation that returns will be made over the life of the asset. Risk free rate comes into effect when the actual and expected rate of return differs. The concept of risk free is that actual returns equal expected returns. An investment is risk free when there is no variance around the return (Damodaran, 2014). This introduces the concept of risk premium. Risk premium is calculated by deducting the riskier return from the risk free rate. T...
Probability is always surrounding us from stock markets to the ever-simple heads or tails. This very complicated area of mathematics can be explained in a simpler way. It is how likely an event is to happen. The probability of an event will always be between 0 and 1. The closer it is to one, the more likely the event is to happen.