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Discussion Question 1
The exponential distribution also known as the negative exponential distribution describes the period between events. Here is one example:An example would be to determining how much time will go by before a volcano erupts or how long before a call center will receive its next call. You give a certain time interval of 0-1 and try to determine the length between. The waiting time would be your random variable. The exponential distribution is related to the Poisson distribution.
How about another real world example/ A practical use in the business world? Discussion Question 2 See if you can explain Bayes' Theorem in your own language.First of all, what does P(H) mean?How about the other P's?What, in plain English, does this equation say?What can it be used for? Discussion Question 3 According to figures released by the New York City government, smoking among New York City teenagers is on a decline, continuing a trend that began more than a decade ago (The New York Times, January 2, 2008). According to the New York City Youth Risk Behavior Survey, the teenage smoking rate dropped to 8.5% in 2007 from about 17.6% in 2001 and 23% in 1997. City officials attribute the lower smoking rate to factors including a cigarette tax increase, a ban on workplace smoking, and television and subway ads that graphically depict tobacco-related illnesses. In a report, use the above information to 1. Calculate the probability that at least one in a group of 10 New York City teenagers smoked in 2007.2. Calculate the probability that at least one in a group of 10 New York City teenagers smoked in 2001.3. Calculate the probability that at least one in a group of 10 New York City teenagers smoked in 1997. Identify the smoking trend from 1997-2007.Explain whether this is a discrete, continuous, or conditional probability.Explain how probabilities help you understand trends in data.Recommend steps related to smoking behavior based on this trend.
An attempt was made to evaluate the inflation rate as a predictor of the spot rate in the German treasury bill market. For a sample of 29 quarterly observations the estimated linear regression
Construct a 90 percent confidence interval for the proportion of all depositors who ask for cash back. (Round your answers to 4 decimal places.)
Using a level of significance of .05, is there evidence that the dual degree students are receiving lower grades? Fully explain your answer.
A Discrete random variable can be described as Binomial distribution if is satisfies four conditions, Briefly discuss each of these conditions
the following data represents the time it takes a company to respond to an account inquiry for opening a new account.a.
chi-square test for independent of attributes.a random sample of students is interviewed to determine if there is an
The time spent waiting for a heart transplant in Ohio and MIchigan for patients with A+ blood can be approximated by a normal distribution with a mean of 127 days and a standard deviation of 23.5 days. What is the longest time spent waiting for a ..
listed below are the heights of candidates who won presidential elections and the heights of the candidates with the
If you were using the relative frequency of an event to estimate the probablility of the event, would it be better to use 100 trials or 400 trials according to the law of large numbers?
Compute fraction of the employees cost between $1,500 and $2,000 per year? Evaluate percent that didn't have any dental expense.
1. the labor relations manager of a large corporation wished to study the absenteeism among workers at the companys
It sells its beer to one hotel only, and that hotel has said it wants 550 cases this month. What price does HPU need to charge to break even?
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