Probability and statistics for engineers
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(OPTION D)
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Probability and statistics for engineers O d. 8 Question 11 Let A and B two events...
Probability and statistics for engineers d. 0.75 Question 12 Not yet 20 students scores in MATH235 course are given in the following steam-leaf display. Find the percentage of the students who score above 30 answered Marked out of 2 Steam Leat P Flag question 0 12 3335 1 0347 2 36 669 3 34456 a. 100% b. 20% C333333 d. 25% 2012 and the mean
642 79€ 3G Be Safe I. ۱۱:۰۱ ص learn.ejust.org و خاص Question 15 Not yet answered Marked out of 2 P Flag question Let A and B two events with P(A) = 0.4, P(B) = 0.5, and P(A/B) = 0.3 then P(AUB)= O a. 0.75 O b. 0.6 O c. 0.78 O d. 0.9 Finish attempt... Samo Dicarota Distribution 11 11
Probability and statistics for engineers C. 4.25% O d. 3.75% Question 10 For the following data: 3,9, 2, 4, 5, 11, 5, 8, 12, 14, find the 40th percentile. Not yet answered Marked out of 2 O a. 5 P Flag question b. 45 O c4 O d. 8 Cwest 11 Let A and B two events with PCA) +04 PIB) = 0,5, and PCA/B) = 013 then P(AUB) =
Probability and statistics for engineers Question 4 If P(A) = 0.5, and P(B) = 0.2, then the P(A N B)= Not yet answered O a.0.7 Marked out of 2 O b. 0.3 P Flag question O c.0.1 O d. Cannot determine from the given information.
Question 1 Not yet answered Marked out of 2 Flag question Let A and B two independent events and P(A) = 0.6 and P(AnB) = 0.3. Find P(BC), (Probability of B complement) O a. 0.9 O b. 0.5 O c.0.2 O d. 0.8
Probability and statistics for engineers O d. 25% Question 13 Given the following data 12, 15, 17, x, 20, 22, and their mean is 17. Find the value of x Not yet answered Marked out of 2 O a. 15 P Flag question O b. 16 Oc.17 O d. 18.5 Cette 14 A sample consists of four observations: (1,3,5,7). What is the dard deviation?
Probability and statistics for engineers d. 045 Question 2 Not yet answered A continuous random variable X has the following density function (2x+1) f(x)= 1<x<3 10 Find 0. otherwise PC 2 < x < 2.5) Marked out of 2 P Flag question a. 0.275 b.0.1 C 0.05 d. 2.13 3 Let A and B two independent events and PIA) - 0.6 and PAB) =
Probability and statistics for engineers d. 18.5 Question 14 A sample consists of four observations: {1, 3, 5, 7). What is the standard deviation? Not yet answered Marked out of 2 O a. 6.67 P Flag question O b. 6 O c. 2.58 O d. 2.44 Qwesten 15 [ 0(1-x² - 1<x<1 the following p.df. f(x) = otherwise
Probability and statistics for engineers 2.58 O d. 244 Question 15 The Not yet Consider the following pdf.f(x)= c(1-x). -1<x<1 otherwise answered value of the constant c equals Marked out of 2 F1 Flag question O a, (3/2) 06.1 @ 3/4 di 4/8 Finish attempt
Probability and statistics for engineers O d. 17 Question 6 Not yet Determine the value c so that f(x) = c(x+1), for x = 0, 1, 2 can serve as a probability distribution of the discrete random variable X answered Marked out of 2 Flag question O a. 1/14 O b. 1 c. 26/3 O d. 1/6 S7 The chance that a certain old bridge will failis 0.002. A new bridge will cost 50000 (fifty thousands) JDIf losses Not