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Probability Theory
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Questions (275)
i would like any help or suggestions you have please as i am very stcuk on these questions thanks
here is the scene: each phone
1 answer
asked by
smartypants
449 views
1. For n repeated independent trials, with constant probability of success p for all trials, find the probability of exactly x
1 answer
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carol
443 views
Explain the central limit theorem
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21 views
Q and R are not mutually exclusive events. If P(Q) = 0.12, P(R) = 0.25, and P(Q and R) = 0.03, find P(Q or R).
3 answers
asked by
sheep
22 views
Limit of rescaled Binomials
Let Xn be a binomial random variable with parameters n and p = lambda/n, where lambda is a fixed
1 answer
asked by
egg
52 views
Normalization constant for the Poisson distribution
The probability mass function (pmf) of a Poisson distribution with parameter
1 answer
asked by
egg
48 views
Explain how probability theory can be used in agriculture.
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Help! JK I need the answer now (ง •_•)ง
19 views
The random variable X has a range of {0,1,2} and the random variable Y has a range of {1,2}.
The joint distribution of X and Y is
1 answer
asked anonymously
14 views
Let X∼Pois(1). Compute its first two moments:
m1= ? m2= ?
1 answer
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12 views
4. A balanced coin is tossed 10 times. Let X denote the number of heads. Calculate the following:
4.1. P(X = 4) 4.2. P(X 1) 4.3.
1 answer
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13 views
The distribution of the binomial random variable (X) has the following parameters p = 0.3 and n = 9. Determine E(X).
1 answer
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27 views
If a Poisson random variable X has an average of 5.5 find:
A)0.2136 B)0.1571 C)0.0894 D)0.0956 E)0.2654
1 answer
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13 views
The following table contains the probability distribution for X = the number of retransmissions necessary to successfully
1 answer
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12 views
A teacher recorded the primary languages that the children in his class speak at home.
Chinese 8 Spanish 4 English 2 French 1
1 answer
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The random variables X; are i.i.d. with mean 2 and standard deviation equal to 3. Assume that the Xi are nonnegative. Let Use
1 answer
asked by
petetmk
34 views
Find the moment generating of the following distribution P(X=x)=qp, x=0,1,2
ودة Hence find the mean and variances
1 answer
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11 views
Example of continuous random variable
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5 views
Probability Sample Work
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7 views
Prove that the Px(x) is probability mass function
Px (x)=( I\14 x^ 2 if x £[1,2,3,4]) 0. Otherwise
1 answer
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3 views
Prove that the Px(x) is probability mass function
Px (x)={(3/4)^4(1-x) if x £ N} 0. Otherwise
1 answer
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3 views
Prove that the Px(x) is probability mass function
Px (x)=( I\14 x^ 2 if x £[1,2,3,4]) 0. Otherwise
1 answer
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3 views
If the table below represents a probability model based on observed frequencies, what is the value of x?
Y P(Y) C 0.25 A 0.18 R
1 answer
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3 views
Studying Online Girls Boys Row total Want the option to keep studying online 10 3 13 Don’t want the option to keep studying
1 answer
asked by
Taco
4 views
Define the cumulative distribution function of Bernoulli
1 answer
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2 views
Define the cumulative distribution function of Poisson distribution
1 answer
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