Refer Z-table to find the probability or use excel formula "=NORM.S.DIST(0.57, TRUE)" & "=NORM.S.DIST(0, TRUE)" to find the probability.
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Refer Z-table to find the probability or use excel formula "=NORM.S.DIST(0.69, TRUE)" & "=NORM.S.DIST(0, TRUE)" to find the probability.
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The standard deviation of part (b) is part (a) because of the sample size. Therefore, the distribution about is
Suppose xhas a distribution with 26 and 24 (round the probability to the fourth decimal place)...
Suppose x has a distribution with u = 25 and o = 20. (a) If a random sample of size n = 50 is drawn, find ui, o j and P(25 sxs 27). (Round Oy to two decimal places and the probability to four decimal places.) My = 25 0x = 2.83 P(25 sxs 27) = x (b) If a random sample of size n = 68 is drawn, find us, o x and P(25 sxs 27). (Round og to...
Consider an x distribution with standard deviation 0 - 36. (a) Ir specifications for a research project require the standard error of the corresponding x distribution to be 4, how large does the sample size need to be? (b) If specifications for a research project require the standard error of the corresponding distribution to be 1, how large does the sample size need to be? Need Help? Submit Answer Practice Another Version -19 points BBUNDERSTAT12 6.5.011. My Notes | Ask...
-/9 points BBUNDERSTAT126.5.011. Suppose x has a distribution with 10 and a = 5. (a) If a random sample of size n = 41 is drawn, find and RX10 X 12). (Round , to two decimal places and the probability to four decimal places.) 07 P(10 SX S12) - and P(10 SX512). (Round to two decimal places and the probability to four decimal places.) (b) If a random sample of size n = 73 is drawn, find x = 0...
Suppose x has a distribution with μ = 20 and σ = 19. (a) If a random sample of size n = 42 is drawn, find μx, σx and P(20 ≤ x ≤ 22). (Round σx to two decimal places and the probability to four decimal places.) μx = σx = P(20 ≤ x ≤ 22) = (b) If a random sample of size n = 68 is drawn, find μx, σx and P(20 ≤ x ≤ 22). (Round σx...
Suppose x has a distribution with μ = 11 and σ = 10. (a) If a random sample of size n = 47 is drawn, find μx, σx and P(11 ≤ x ≤ 13). (Round σx to two decimal places and the probability to four decimal places.) μx = σx = P(11 ≤ x ≤ 13) = (b) If a random sample of size n = 61 is drawn, find μx, σx and P(11 ≤ x ≤ 13). (Round σx...
7. [7/9 Points] DETAILS PREVIOUS ANSWERS BBUNDERSTAT12 6.5.011.NVA MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Suppose x has a distribution with u = 26 and o = 19. (a) If a random sample of size n = 49 is drawn, find je er og and P(26 sās 28). (Round of to two decimal places and the probability to four decimal places.) My = 26 0x = 2.7143 P(26 28) = (b) If a random sample of size n = 66...
Suppose x has a distribution with μ = 10 and σ = 7. (a) If a random sample of size n = 40 is drawn, find μx, σ x and P(10 ≤ x ≤ 12). (Round σx to two decimal places and the probability to four decimal places.) μx = σx = P(10 ≤ x ≤ 12) = (b) If a random sample of size n = 63 is drawn, find μx, σ x and P(10 ≤ x ≤ 12)....
Suppose x has a distribution with μ = 10 and σ = 9. (a) If a random sample of size n = 35 is drawn, find μx, σ x and P(10 ≤ x ≤ 12). (Round σx to two decimal places and the probability to four decimal places.) μx = σ x = P(10 ≤ x ≤ 12) = (b) If a random sample of size n = 60 is drawn, find μx, σ x and P(10 ≤ x ≤...
Please help 18) Random variable Xhas a binomial distribution with sample size (n) - 2 and probability of success (p)-0.4. PIX A)0.6 is given by, C) 0.9 B) 0.4 D 0.48
Assume the random variable Xhas a binomial distribution with the given probability of obtaining a success. Find the following probability, given the number of trials and the probability of obtaining a success. Round your answer to four decimal places. P(X < 4), n = 6, p = 0.6