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Let's say that 75% of all business startups in the IT industry report that they generate a profit in their first year. A sample of 8 new IT business startups is selected
a) Find the probability that exactly five of them will generate a profit in their first year.
b) Find the probability that none of them will generate a profit in their new first year.
c) Find the probability that at most five of them will generate profit in their new first year.
d) What is the mean of the binomial distribution?
e) What is the standard deviation of the binomial distribution?
Determine the distribution function for the Laplace distribution of Problem 2.4.22.
During a 36 year period, lightening killed 2768 people in the US. Assume that this rate holds true today and is constant throughout the year. Find the probability that tomorrow.
Student achievement and self-concept. In order to determine if student achievement is related to self-concept, as measured by the Piers-Harris Children's Self-Concept Scale, data were collected on 78 seventhgrade students from a rural midwestern s..
F (x) : 2. Find mean , variance 2; and standard deviation Of continuous r.v. Let X equal weight of a randomly selected quarter-pounder in pounds. What is P (0:20
As consumers each day we are constantly being targeted by numerous businesses vying for our business. Whether you're driving, grocery shopping
1. Suppose we want to estimate the effect of price on sales using this dataset.
What processes do you use to maximise participation in the organisation development process?
(a) Find an unbiased estimate for the average distance from the anchored end of this rod to the crack.
Determine what the key term data refers to in the above example for Researcher A ? List two reasons why the data may differ?
In a survey "How often do you listen to music while driving?", the following data was collected:
A retrospective study of 517 veterans who never smoked was done to determine whether there was an association between lung disease and exposure to workplace.
There are n eggs, each of which hatches a chick with probability p (independently). Each of these chicks survives with probability r, independently.
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