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Rolling a die. Calculate the following probabilities and indicate which probability distribution model is appropriate in each case. You roll a fair die 5 times. What is the probability of rolling
(a) the first 6 on the fifth roll?
(b) exactly three 6s?
(c) the third 6 on the fifth roll?
Explain whether this is a discrete, continuous, or conditional probability. Explain how probabilities help you understand trends in data.
a regression of the amount of calories in a serving of breakfast cereal vs. the amount of fat in the cereal gave the
Site preparation for new housing developments for tracts of 40 houses is normally distributed with a mean of 250 workdays and a standard deviation of 25 workdays.
Give an example of using the distributive property for a negative monomial times a trinomial with different signs on the terms [for example: -3x(2xy + 3y - 2x)] and show each step of the distribution.
The topic for discussion in the Forum of Unit 6 are mathematical models and how good they should fit reality. In this Forum we would like to return to the same.
In a certain garage, there are three mechanics per work shift of eight hours. The garage is open 24 hours a day. Customers arrive according to a Poisson process with rate λ = 2.5 per hour. The time a mechanic takes to perform an arbitrary task is ..
Use Excel and determine the number of each type of person that will be needed to complete the job within the allotted time and at minimum cost.
Scatterplot a) Make an XY scatter plot linked to the following data on this sheet. X Y 6.981 12.266 3.982 8.455 2.084 5.951 9.113 14.395 2.280 7.435 6.567
Created from the data taken from data.worldbank.org, and decide whether you think the standard deviation of inflation rates in Australia .
A company is interested in offering its employees one of two employee benefit packages. A random sample of the company's employees is collected.
Body mass and metabolic rate. The body mass data in Table 14.1 are given in pounds. There are 2.2 pounds in a kilogram.
Does a higher confidence level mean a higher precision in our estimated interval?
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