A box contains 5 white,2 red and 2 black balls. If 3 are drawn in succession Which is the probability of getting all three balls of different colours . Round answer to two decimals.

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A: group 1 n1 = 6x1 = 521.4group 2n2 = 8x2 = 502.6find average (x) = ?

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Q: Interpret this t-test result: t(85) = 4.125; p-value = 0.009 O The t-test, t(85) = 4.125, is…

A: Answer: From the given data, t(85) =4.125 p value =0.009

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A: Given: n = 10 p = 0.10 q = 1-0.10 = 0.90 Formula Used: The Binomial distribution: X~B(n, p) P(X=x) =…

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Q: Two friends, jimmy and tom go on night camping in the forest every summer. Suppose that on any…

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Q: What is the difference between a normal distribution and other symmetrical distributions?   Question…

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A: It is given that  P(A and B) = P(A)*P(B)

Q: For the following data: Confidence level is 90% Critical value Zc = 1.65, standard deviation…

A: Answer: From the given data, Confidence level (C) = 90% Critical value (Zc) = 1.65 Standard…

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Q: (d) Find the 10th percentiles. (Round your answer to two decimal places.) X = X-bar = 66.67

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Q: Let E(X)=−7,E(Y)=4,var(X)=16 and var(Y)=8 Calculate (a) E(2X+4Y). (b) E(X − 2Y − 2022). (c) var(2X…

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Q: Which type of t-test is best for the following variables:(a) Test scores of Section A51 at start of…

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A: Introduction: It is required to find the expected value of the random variable "Scores".

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Q: . No:. ڈسٹرکٹ بار سع کوی آزاد سمیر Date:. Define Statistical inference ii) Differentiate blu point…

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A: Giving From the given table Formula for weighted mean =(summation of fi *xi)/summation of fi)

Q: (a) Are the lives of these brands of batteries different? (b) Analyze the residuals from this…

A: (a) The objective is to test whether the lives of the given brands of batteries are different.

Q: Use the data set "longley" in R to answer the following questions Read the data set "longley" in R…

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A: Given that We have to find a .. correlation coefficient b..Least Square line  c... percent of…

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