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Recent questions tagged probability


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A coin is tossed 3 times. What is the probability that the tosses are the same?
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Suppose a coin is tossed 3 times. What is the probability of obtaining exactly one head?
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What is the definition of total probability?
1 answer 4 views
What is the definition of total probability?What is the definition of total probability? ...
by MathsGee Platinum
(103,030 points)
asked in Data Science & Statistics Jan 11
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What is the definition of conditional probability?
1 answer 10 views
What is the definition of conditional probability?What is the definition of conditional probability? ...
by MathsGee Platinum
(103,030 points)
asked in Data Science & Statistics Jan 11
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How can probability help us make better decisions?
1 answer 17 views
How can probability help us make better decisions?How can probability help us make better decisions? ...
by Pieter SIlver Status
(18,061 points)
asked in Data Science & Statistics Jan 8
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How do I compute confidence intervals?
1 answer 17 views
How do I compute confidence intervals?How do I compute confidence intervals? ...
by Pieter SIlver Status
(18,061 points)
asked in Data Science & Statistics Jan 8
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A card is drawn from a deck of 52 playing cards. What is probability of getting a. A heart?
1 answer 82 views
A card is drawn from a deck of 52 playing cards. What is probability of getting a. A heart?4. A card is drawn from a deck of 52 playing cards. What is probability of getting a. A heart? b. A red card? c. A face card? d. A number less tha ...
by Golden West Colleges
asked in Mathematics Dec 22, 2021
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How can i compute the number of data in the interval x̅±σ and x̅± 2σ.

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What is the p-value in statistics?
2 answers 42 views
What is the p-value in statistics?What is the p-value in statistics? ...
by Pieter SIlver Status
(18,061 points)
asked in Data Science & Statistics Dec 16, 2021
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What is the probability density function for the normal distribution?
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Show that the exponential distribution is a valid probability density function
1 answer 60 views
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When is a probability density function (pdf) valid?
1 answer 29 views
When is a probability density function (pdf) valid?When is a probability density function (pdf) valid? ...
by Pieter SIlver Status
(18,061 points)
asked in Data Science & Statistics Dec 16, 2021
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What is the Binomial distribution and why is it important?
1 answer 38 views
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The probability of an event A conditioned on an event B is denoted and defined as ...
1 answer 37 views
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When are two sets disjoint?
1 answer 32 views
When are two sets disjoint?When are two sets disjoint? ...
by Pieter SIlver Status
(18,061 points)
asked in Data Science & Statistics Dec 16, 2021
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Compute the variance of a die roll, i.e. a uniform random variable over the sample space \(\Omega=\{1,2,3,4,5,6\}\).

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What is the formula for expected value in statistics and probability?
1 answer 37 views
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When are two events A and B termed as independent?
1 answer 34 views
When are two events A and B termed as independent?When are two events A and B termed as independent? ...
by MathsGee Platinum
(103,030 points)
asked in Data Science & Statistics Dec 15, 2021
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What are events in probability?
1 answer 39 views
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What is a sample space when calculating probability?
1 answer 31 views
What is a sample space when calculating probability?What is a sample space when calculating probability? ...
by MathsGee Platinum
(103,030 points)
asked in Data Science & Statistics Dec 15, 2021
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Explain the concept of opportunity loss, and show that the minimum opportunity loss is equal to the Expected Value of Perfect Information.
0 answers 30 views
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Use this information to update the error rate probability distribution and hence determine whether your advice needs amendment.
0 answers 32 views
Use this information to update the error rate probability distribution and hence determine whether your advice needs amendment.The senior partner in a local accountancy firm is concerned about the error rate amongst assessments issued by her office. A careful check over the pa ...
by MathsGee Platinum
(103,030 points)
asked in Economics & Finance Nov 16, 2021
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If an event occurs 2 times in 20 years, what is probability even will occur 2 times in a week?
1 answer 24 views
If an event occurs 2 times in 20 years, what is probability even will occur 2 times in a week?Hello! I need real life court room bound help. I'm trying to prove not only something happening twice in the same week, is highly improbable but the ...
by Gertrude Sexton
asked in Mathematics Nov 11, 2021
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What is conditional probability?
1 answer 31 views
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