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Recent questions tagged replacement


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There are 6 pillows in a bed, 3 are red, 2 are yellow and 1 is blue. What is the probability of picking a yellow pillow?

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From a group of 10 smokers and 20 nonsmokers, a researcher wants to randomly select smokers and nonsmokers for a study.
0 answers 116 views
From a group of 10 smokers and 20 nonsmokers, a researcher wants to randomly select smokers and nonsmokers for a study.From a group of 10 smokers and 20 nonsmokers, a researcher wants to randomly select smokers and nonsmokers for a study. a. How many ways is there to ...
by Siyavula Bronze Status
(7,450 points)
asked in Mathematics Sep 5, 2021
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What is the probability that a random person picked from the population is female and is not color blind?
1 answer 132 views
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What is the Axiom of Replacement in set-theory?
1 answer 148 views
What is the Axiom of Replacement in set-theory?What is the Axiom of Replacement in set-theory? ...
by MathsGee Platinum
(118,646 points)
asked in Mathematics May 3, 2021
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What is the probability of drawing 2 hearts?
0 answers 157 views
What is the probability of drawing 2 hearts?Two cards are drawn from a well-shu­ffled, standard deck of cards. What is the probability of drawing 2 hearts? ...
by MathsGee Platinum
(118,646 points)
asked in Data Science & Statistics Nov 2, 2020
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In an urn are 5 blue, 3 red, and 2 yellow marbles. If you draw 3 marbles, what is the probability that less than 2 will be red if:
0 answers 541 views
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Calculate the probability of: 1 first drawing a blue sweet and then a green sweet.
1 answer 650 views
Calculate the probability of: 1 first drawing a blue sweet and then a green sweet.A box contains 3 blue sweets and 2 green sweets. A sweet is drawn at random and then replaced. Another sweet is then taken from the box and replaced. ...
by Joshua Mwanza Diamond
(51,622 points)
asked in Mathematics Jun 11, 2020
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Determine the probability of drawing green marble. Give your answer as a percentage
1 answer 713 views
Determine the probability of drawing green marble. Give your answer as a percentageA box holds the following marbles: 9 red; 4 blue and 5 green. A marble is drawn at random. 1 Determine the probability of drawing green marble. Give y ...
by Joshua Mwanza Diamond
(51,622 points)
asked in Mathematics Jun 11, 2020
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What is the probability of drawing the blue marble in the first draw?
1 answer 502 views
What is the probability of drawing the blue marble in the first draw?Nthato has two tickets to the rugby, 3 of his friends would like to go to the rugby but he can only give one of them a ticket so they decide that they ...
by Joshua Mwanza Diamond
(51,622 points)
asked in Mathematics Jun 10, 2020
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Bathandwa had a bag with eighteen balls. Three balls were white, five green and the rest were blue.
3 answers 206 views
Bathandwa had a bag with eighteen balls. Three balls were white, five green and the rest were blue.Bathandwa had a bag with eighteen balls. Three balls were white, five green and the rest were blue. 1 Determine the probability that the ball randoml ...
by Joshua Mwanza Diamond
(51,622 points)
asked in Mathematics Jun 7, 2020
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What is the difference between sampling with replacement and sampling without replacement?
1 answer 143 views
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