Suppose that x has a beta distribution with parameters a = 2.4 and ß = 1. Determine to 4 decimal places the following: a. P(X < 0.25) i b. P(0.25 < X < 0.86) i c. Mean d. Variance

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Q: Spearman's rank correlation coefficient w

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A: Statistic is a no. which describes a sample.

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A: Given μ=86.8n=100x¯=88.7s=11.64α=0.05

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A: For the given data Make frequency distribution table

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Q: Years of Experience Salesperson Annual Sales ($1,000s) 80 2. 97 102 4 107 6. 103 101 10 119 10 128 9...

A: Solution: The estimated regression equation is  y^= 82+4x  

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A: Here we use basic concepts and rule  of probability and math that's why I m uaing another phone .

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A: Formula of z score : z = x-μσ

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Q: Example 3 Calculate Mean Deviation from Mean and Mean Deviation from Median in the following data. 6...

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Q: Determine the 70th percentile if the mean score is 170 and the standard deviation is 6.

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A: Given: group of 17 births, n=17 probability of girl, p=0.5  

Q: The random variable X has the following probability distribution.                                  ...

A:  X      1       2      3 P(X) 0.5   0.2    0.3 We select a random sample of size 2 (with replacement...

Q: give the correct answer. compute the sample standard deviation. a. 6.96 b. 6.16 c. 7.12 d. 8.56

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Q: Еxample Calculate the Harmonic Mean of the following series: Values : 2 10 14 18 Frequency : 4 12 20...

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Q: The times (in seconds) between fifteen consecutive eruptions of a geyser were as follows: 914, 900, ...

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Q: Suppose that { Y,} is Moving average process with Y, = 0.25(e, + e,-1+e-2+ej_3) %3D where {e,} is ze...

A: Find Mean, variance, auto covariance function and auto correlation function  

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A: Given No. of students in School A = 500  No, of students in School B = 1000  

Q: Compute Arithmetic Mean from the following frequency distribülion

A: Here We will use frequency table for mean Here given Total=n=30

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A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only fi...