Which of the following does not belong to the steps in finding the variance of probability distribution in a random variable? O Square the results of the difference between mean and random variable x. O Add the mean from each value of a random variable x. O Find the mean of the probability distribution. O Multiply the results obtained in squaring the difference between mean and random variable x by the corresponding probability.

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A: We use the given probability distribution table to find the solution. 

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Q: 11. Old Faithful Data Set 23 “Old Faithful" in Appendix B includes data from 250 randon eruptions of...

A: We are given that  Significance level =0.05

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A: Given: n=4507 No of successes(x)=2262

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A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a...

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A: Given: Players A , B , and C toss a fair coin in order. The 1st to throw a head wins.  

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A:

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A: Comment: As per the our company guidelines we are supposed to answer only one question. Kindly repos...

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A: The confidence interval for mean is       Confidence interval = x̄ ± M.E  x̄ is sample mean M.E is m...

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Q: Question 36 Let A be an event. The odds in favor of A are 7 to 3. Find the probability of A. A) 0.3 ...

A: Let A be an eventThe odds in favor of A are 7 to 3.

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A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case yo...

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A: For given set of data , we nee t calculate the z-score of size 0.5 hrs.

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Q: For each of the following situations, specify the mean of the sampling distribution of the differenc...

A: Mean of the sampling distribution of the difference in sample proportions = p1 - p2   

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A: Given : Total number of persons taken =100 Actually guilty =12  

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Q: O what ase Ame cdas tvok we first wo cars to elave willpe G Tayuta ond a Bmu in tcaet order?

A: Here given data for 25 cars  Here probability =(no of Favorable)/(total outcomes)

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A: Here use basic probability 

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A: 54) The mean is 2.65 and the standard deviation is 0.85.

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Q: Example 6-3. In four tosses of a coin, let X be the number of heads. Tabulate the 16 possible outcom...

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Q: Find the margin of error for the given values of c, s, and n. c= 0.90, s = 3.7, n= 22 Click the icon...

A: Given : Confidence level = 0.90 (90%) Sample standard deviation (s) = 3.7 Sample size (n) = 22      

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A: Given: Final temperature condition Number of reaction 266 K 16 271 K 60 274 K 92

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Q: The P-value for a two-sided test of the null hypothesis H0: μ = 10 is 0.03. (a) Does the 95% confide...

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Q: In each part, give the value of the standardized statistic (z-score) for the sample proportion. (Rou...

A: We have,  Z = p^ - pp(1-p)n  

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A: *Answer:  R – number of units of regular model. C – number of units of catcher’s model. Max   5R + 7...