Let Y be a random variable. In a population, µY = 75, and σ^2Y = 45. Use the central limit theorem to answer the following questions.(Note: any intermediate results should be rounded to four decimal places) In a random sample of size n = 92, find Pr (78< Y <80).
Let Y be a random variable. In a population, µY = 75, and σ^2Y = 45. Use the...
Let y be a random variable. In a population, ay = 119 and 62 = 54. Use the central limit theorem to answer the following questions. (Note any intermediate results should be rounded to four decimal places) In a random sample of size n = 100, find Pr( < 120). Prý <120) = (Round your response to four decimal places) In a random sample of size n = 72, find Pr (120< < 125). Pr(120 < y < 125) =...
please show work with steps, thank you! (a) -3.658738 (b) -0.473997 (c) -0.103697 (d) -0.668459. Let Y be a random variable. In a population, Y 44. Use the central limit theorem to answer questions 33 & 34 (Note: any intermediate results should be rounded to four decimal places). 67 and 33. In a random sample of size n = 165, find Pr(Y < 88) (a) 0.9582 (b) -0.4739. (c) 1.0000. (d) 1.6587 124, find Pr(90 <Y< 92) 34. In a...
THE LAST QUESTION ( Exercise 3.1 nw Score: 11.67%, 2.33 of 2... Question Help Let Ybe a random variable. In a population, Hy = 131 and o = 56. Use the central limit theorem to answer the following questions. (Note: any intermediate results should be rounded to four decimal places) In a random sample of size n = 75, find Pr( < 133). Pr( <133) = 0.9896 (Round your response to four decimal places) In a random sample of size...
I need answer for the last question. Please show your working Let Ybe a random variable In a population, =117 and 2-44 Use the central limit them In a random sample of stren. 165. find Pr ( <118) to answer the following questions (Mote any intermediate results should be rounded to four decimal places P (9 <118) - 09732 (Round your response to four decimal places) In a random sample of size n. 106. Ind Pr(119< <121) Pr(119<<121) - 0.0010...
4.18 A random sample of size 25 is selected from a population with mean μ = 85 and standard deviation σ-4. Approximate the following probabilities using the central limit theorem (a) PrX 86, 6451 (b) PrX < 84.340] (c) Pr(83.04 〈 X < 86.96]
help w solving question 33 and 34 C) U.255967. (U- X 1.62) XU. 16 0 . (d) 0.668459 +1.6x2-.38 x 0.22 -1.0397 +0.4) 1.38) 0.44 = t.osoz Let Y be a random variable. In a population, jy = 222 and a = 81. Use the central limit theorem topib answer questions 33 & 34 (Note: any intermediate results should be rounded to four decimal places). .041 33. In a random sample of size n = 256, find Pr( < 106)....
Let X1, X2, . . . , Xn be a random sample of size n from a normal population with mean µX and variance σ ^2 . Let Y1, Y2, . . . , Ym be a random sample of size m from a normal population with mean µY and variance σ ^2 . Also, assume that these two random samples are independent. It is desired to test the following hypotheses H0 : σX = σY versus H1 : σX...
Given a population with a mean of µ = 270 and a standard deviation σ = 29, assume the central limit theorem applies when the sample size is n ≥ 25. A random sample of size n = 220 is obtained. Calculate σx¯
Question 3 (4 points) In a population μΥ-100 and 43. Use the central limit theorem to answer the following questions (a) In a random sample of size n-100, find PY 101] (b) In 64, find P[101 Y < 103 a random Sample of size n
Suppose a random variable x is normally distributed with μ = 17.5 and σ = 5.8 . According to the Central Limit Theorem, for samples of size 8: The mean of the sampling distribution for x¯ ( x bar ) is: 1