An instructor has given a short quiz consisting of two parts. For a randomly selected student, let X = the number of points earned on the first part and Y = the number of points earned on the second part. Suppose that thejoint pmf of X and Y is given in the accompanying table.yp(x, y)10150.010.060.020.100.040.170.200.10100.010.150.130.01(a) Compute the covariance for X and Y. (Round your answer to two decimal places.)Cov(X, Y) =(b) Compute p for X and Y. (Round your answer to two decimal places.)p =

let x denotes number of points earned by first part y denotes number of points earned by second…

Answered: p(x, y) 10 15 0.01 0.06 0.02 0.10 0.04…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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P(X a) = 0.1 [Choose ] [Choose ] a = 7.44 a = 12.56 6.71
The accompanying data are the number of wins and the earned run averages (mean number of earned runs allowed per nine innings pitched) for eight baseball pitchers in a recent season. Find the equation of the regression line. Then construct a scatter plot of the data and draw the regression line. Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. If the x-value is not meaningful to predict the value of y, explain why not. (a) x = 5 wins E Click the icon to view the table of numbers of wins and earned run average. (b) x = 10 wins (c) x = 21 wins (d) x = 15 wins - X Wins and ERA The equation of the regression line is y = x + (Round to two decimal places as needed.) Earned run Wins, x average, y 20 2.63 18 3.36 17 2.63 16 3.76 14 3.89 12 4.27 11 3.83 9 5.16
10. Flanders visits evening classes and learns statistics. He still confuses the expressions,,discrete" and ,,continuous" variables. Please explain the expressions for Flanders
The accompanying table describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. Complete parts (a) through (d) below. E Click the icon to view the table. a. Find the probability of getting exactly 1 girl in 8 births. (Type an integer or a decimal. Do not round.) b. Find the probability of getting 1 or fewer girls in 8 births. (Type an integer or a decimal. Do not round.) c. Which probability is relevant for determining whether 1 is a significan Question Viewer girls in 8 births: the result from part (a) or part (b)? O A. Since getting 0 girls is an even lower number of girls than getting 1 girl, the result from part (b) is the relevant probability. O B. Since the probability of getting 1 girl is the result from part (a), this is the relevant probability. OC. Since the probability of getting more than 1 girl is the complement of the result from part (b), this i the relevant probability. O D. Since…
A 0.4 0.3 0.3 0.25 0.48 0.27 0.223 0.504 0.273 P= B 0.2 0.5 0.3 p2 = B 0.21 0.52 0.27 p = B 0.215 0.512 0.273 C 0.1 0.7 0.2 C 0.20 0.52 0.28 C 0.212 0.516 0.272 The probability of going from state C to state A in three trials is
2 of 21 For f(e)-- 2z, evaluate /(-4). -68 -30 %-36 1365
14. What is the significance of the coefficient of variation?
How do I solve for b?
The accompanying table describes results from groups of 10 births from 10 different sets of parents. The random variable x represents the number of girls among 10 children. Use the range rule of thumb to determine whether 1 girl in 10 births is a significantly low number of girls. E Click the icon to view the table. Use the range rule of thumb to identify a range of values that are not significant. The maximum value in this range is girls. (Round to one decimal place as needed.) The minimum value in this range is girls. (Round to one decimal place as needed.) Based on the result, is 1 girl in 10 births a significantly low number of girls? Explain. O A. No, 1 girl is not a significantly low number of girls, because 1 girl is within the range of values that are not significant. O B. Yes, 1 girl is a significantly low number of girls, because 1 girl is above the range of values that are not significant. O c. Yes, 1 girl is a significantly low number of girls, because 1 girl is below the…

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p(x, y) 10 15 0.01 0.06 0.02 0.10 0.04 0.17 0.20 0.10 10 0.01 0.15 0.13 0.01