98 Answered Questions for the topic Finite

10/24/16

Top 10% of the class received an A on the last test...
I don't think I've worked this problem correctly. Please help, thanks!!   A teacher says that the top 10% of the class received an A on the last test. The scores were normally distributed with... more
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10/11/16

5 cards are selected from a fair deck. What is the Probability that they contain at least 4 reds?
5 cards are selected from a fair deck. What is the Probability that they contain at least 4 reds?   Please & Thanks!!
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10/09/16

A fair coin is flipped 7 times. What is the probability of obtaining at least 1 tail?
A fair coin is flipped 7 times. What is the probability of obtaining at least 1 tail?  
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10/09/16

A fair die is thrown 10 times. What is the probability of rolling a 1 on exactly 2 of the 10 throws?
A fair die is thrown 10 times. What is the probability of rolling a 1 on exactly 2 of the 10 throws?   Please help!!
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Finite

09/27/16

Finite Word Problem SOS
Youve invested a total of $34,200 in four funds: Acorn [1.5%], Bailey [2%], Concourse [3.5%], and Delta [4.2%]. The quarterly percent of return for the four funds are give in []. Your investments... more
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09/27/16

Please help with finite word problem!
There are three types of coffee, Kona, Latin Dark Toast and Moravia. Equal parts of these three coffees are put into the house blend which sells for $7 per pound. A 30 lb bag is made up of 1.5 lbs... more
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Finite

09/19/16

Assume that there are 17 frozen dinners: 10 pasta, 3 chicken, and 4 seafood dinners. The student selects 5 of them.
What is the probability that at least 2 of the dinners selected are pasta dinners?
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07/20/16

Let S be any sample space, and E, F and G be any three events. Describe the event that none of the events E, F nor G occur.
Help! Please Please!
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Finite Finite Math

07/07/16

what is 5/6 to the tenth power
What is 5/6 to the tenth power this is all i need to know  
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Finite

04/27/16

What is the probability that at least one inspector will find a defective?
Finite math   Assume that the box contains 3 defective widgets and 13 acceptable widgets. There are 3 inspectors, each of whom selects a widget from the box at random, inspects it, and then... more
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Finite Infinite

02/20/16

what is the standard deviation for 9,11,9,11,11,12,14?
round answer to the nearest hundreth
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Finite

02/08/16

In how many ways can 9 keys be placed on a key ring?
Remember, each key can face two ways (the jagged side up or down)
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Finite Finite Math

02/01/16

Assume that he has 2 possible destinations: New England, and Oregon. There are 3 ski areas in New England with 3 available times for 2 of the areas, and 1....
I know that you use the multiplication principle. I made three slots and put 2 in one slot, for two locations, 8 in the second slot for the number of ski areas, and for the third slot (times) I'm... more
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Finite

01/20/16

Linear Rates
Assume that the suburb has a population of 844000 and is growing at a rate of 4000 per year. Assume that the city has a population of 1068000 and is declining at a rate of 12000 per year.In how... more
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12/17/15

If, on the first observation the system is in state 1, what is the probability that it is in state 1 on the third observation?
A Markov chain has the transition matrix shown below:P=[0.2  0.4]     [0.8  0.6]   1. If, on the first observation the system is in state 1, what is the probability that it is in state 1 on the... more
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12/17/15

For each of the following vectors, find a value for x for which the vector is a probability vector.
(1)[0.1, 0.2, 0.2, x, 0.3] x=   (2)[x, 0.4, 0, x, 0.4] x=   (3)[x, 0, 2x, 0.2, x] x=   (4)[2x, 2x, 4x, 3x, 3x] x=
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12/17/15

Find a transition Matrix
If the student attends class on a certain Friday, then he is five times as likely to be absent the next Friday as to attend. If the student is absent on a certain Friday, then he is twice as likely... more
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12/16/15

A Califorina license plate consists of three letters followed by three digits.
A) How many license plates are possible? B) How many license plates are possible if the letters are in alphabetical order and the digits in increasing order?
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12/16/15

Which is a better investment and why? 9% compounded quarterly or 9.25% compounded annually?
Which is a better investment and why? 9% compounded quarterly or 9.25% compounded annually?
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12/16/15

How much money would you have to put into an account initially in order to have $5000 after 15 years if the account pays 6% interest compounded monthly?
 How much money would you have to put into an account initially in order to have $5000 after 15 years if the account pays 6% interest compounded monthly?
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12/16/15

Find the x and y intercepts of the following lines
Find the x and y intercepts of the following lines.   1. 6x-1y=3   2. y=7x+3
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12/15/15

Find the equation of this line in slope intercept form.
Assume that the line passes through the point (−2,−1) and is parallel to the line through the points ( −2,−2) and (0,6).Find the equation of this line in slope intercept form. y=
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12/15/15

If the animal is initially in the woods, what is the probability that it is in the meadow on the next three observations?
If the animal is in the woods on one observation, then it is three times as likely to be in the woods as the meadows on the next observation. If the animal is in the meadows on one observation,... more
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12/15/15

Find the production schedule that satisfies an external demand for 43 units of coal, 26 units of lumber, and 17 units of steel.
Assume that producing 1 unit of coal requires 0.4 units of coal, 0.1 units of lumber, and 0.2 units of steel; that producing 1 unit of lumber requires 0 units of coal, 0.7 units of lumber, and 0.2... more
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11/18/15

markov chains
(i) If volume is high this week, then next week it will be high with a probability of 0.9 and low with a probability of 0.1. (ii) If volume is low this week then it will be high next week with a... more
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