09/07/18

15 coupons numbered 1-15,7 are selected at random with replacement, probability 9 will be the largest on selected coupons.
It's from the book m.l Khanna.
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09/05/18

What are the possible committee sizes?
An organization with 110 people will be divided into smaller committees. What are the possible committee sizes if the organization wants to have some large committees (each the same size) and some... more
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09/05/18

Find the nth term of the sequence 1,4,9,16,25,36
 I just need help oops
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09/05/18

complete 2 problems every 5 minutes,or 1/12,of an hour,and has completed 1/4 of his homework. At this rate,how long will it take to complete his home work
what is the answer?  
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09/04/18

What is the chance Clarice will pick 3 classical CDs?
Clarice has 7 new CDs; 3 are classical music and the rest are pop music. If she randomly grabs 3 CDs to listen to in the car on her way to school, what is the probability that she will select only... more
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08/28/18

what is the expected number of correct answers Jason will get on the 12-question quiz?
If he randomly selects responses between the 3 remaining choices for each question, what is the expected number of correct answers Jason will get on the 12-question quiz?
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08/21/18

rejection region: null hypothesis
Lodging Cost. A travel association claims that the mean daily lodging cost for two adults traveling together on vacation in San Francisco is at least $240. A random sample of 24 such groups of... more
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08/17/18

prob & stat question
A stock broker wishes to put together a portfolio from two types of stocks available A and B. The return on stock A is XA, and the return on stock B is XB. Stock A is less risky, but has less... more
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04/12/17

Probability of being dealt a straight flush
A standard deck of cards is completely shuffled and randomized. It is then dealt into four separate piles of 13 cards each. What is the chance that one of these piles will have a straight flush?
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04/12/17

What is the chance of being dealt 4 of a kind in a standard deck of 52 cards?
Thirteen cards are distributed evenly among 4 sets from a standard deck of cards. What is the chance of one set containing a 4 of a kind? (assume deck is completely shuffled and randomized)
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04/11/17

(b) The water level drops at a rate of 0.1 cm per hour. At what rate is the radius of the surface of the water decreasing when the depth is 8 cm? Round your
(a) A hemispherical bowl of radius 12 cm contains water to a depth of h cm. Find the radius of the surface of the water as a function of h.   r= ???   (b) The water level drops at a rate of 0.1... more
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04/09/17

A business owner borrows $8000.00 for 6 months. At the end of the six-month period, the interest owed is $160.00. What was the simple yearly interest rate?
Percentages
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04/09/17

Find the angle elevation of the top of the tree 13m high from a point 25m away on ground level
I need a lot of help with my worksheet for math. Please anybody help me I have a lot of questions that need to be answered
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04/04/17

Five cards are chosen at random from an ordinary deck of 52 cards. In how many ways is it possible to choose exactly three clubs
Five cards are chosen at random from an ordinary deck of 52 cards 
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02/27/16

how many electrons are in the final subshell to fill in each halogen (elements of group 17)?
please help! does this relate to the period blocks or electronegativity or something? thanks so much 
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12/18/15

In a shipment of 2,500 video games, 97 are defective. If a person buys two games, what is the probability that only one is defective?
In a shipment of 2,500 video games, 97 are defective. If a person buys two games, what is the probability that only one is defective?  
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11/05/14

LCM of 27 28 30
help!!!!!!!!!!
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11/05/14

Word problem
Lets say Costco price club claims that they sell a 6 pack of Coors Beer at the wholesale price plus an additional 5% off. But with Costco, you also have to pay a yearly membership fee of $60 just... more
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11/04/14

Statistics word problem
Suppose that this year the cubs and mariners make it to the world sires, and suppose the cubs, a stronger team, has a 55% chance to win any individual game. Also assume there are no ties. Use 6... more
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