C279 € 3G Be Safe lı. ۱۱:۰۱ ص learn.ejust.org - خاص III Question 11 Not yet...
62 79 3G Be Safe lı. ۱۱:۰۱ ص learn.ejust.org و خاص III Question 9 Not yet answered Marked out of 2 P Flag question Consider a sample data with 6 observations with mean = 15. An observation with value 11 is changed to 14, the mean for the new data is O a. 15.5 O b. 15 O c. 17 O d. 4.66667
79€ ۱۱:۰۱ ص 3G Be Safe In. learn.ejust.org - خاص III Question 13 Not yet answered Marked out of 2 P Flag question Given the following data 12, 15, 17, x, 20, 22, and their mean is 17. Find the value of x O a. 15 O b. 18.5 O c. 17 O d. 16
642 79 € 3G Be Safe lı. ۱۱:۰۱ ص learn.ejust.org - خاص III estion 8 t yet answered rked out of 2 Flag question Consider the following p. d. f. of the andom variable X: o 1 2 P(X=x) 0.2 0.1 0.25 4 3 0.3 0.15 Find P 1<x3. O a. 0.45 ob. 0.65 O c. 1.4 O d. 0.55 estion 9 1
62 79 3G Be Safe I. ۱۱:۰۱ ص learn.ejust.org و خاص III u. U Question 14 Not yet answered Marked out of 2 P Flag question Consider the following p.d.f, c(1 – x?), -1<x<1 f(x)= . The value otherwise of the constant c equals O a. 4/3 ob. 3/4 O c.- (3/2) O d. 1 Question 15
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
C4279 ۱۱:۰۰ ص 3G Be Safe lı. learn.ejust.org 4 خاص III Question 6 Not yet answered Marked out of 2 Flag question The chance that a certain old bridge will fail is 0.002. A new bridge will cost 50000 (fifty thousands) JD. If losses for the bridge failure will amount to 5 million, determine whether the new bridge should be built. a. No, need to build new bridge ob. We need more information to decide O c. The Engineer will...
6274 ۱۱:۰۰ ص 3G Be Safe I. learn.ejust.org 4 خاص priage Question 7 Not yet answered Marked out of 2 Flag question If P(A) = 0.5, and P(B) = 0.2, then the P(A n B)= O a. 0.1 O b. Cannot determine from the given information. O c. 0.7 O d. 0.3
Probability and statistics for engineers O d. 1/6 Question 7 Not yet answered The chance that a certain old bridge will fail is 0.002. A new bridge will cost 50000 (fifty thousands) JD. If losses for the bridge failure will amount to 5 million, determine whether the new bridge should be built. Marked out of 2 Flag question O a. No need to build new bridge b. Yes, there is a need to build new bridge @c. We need more...
242 ).. woll:ET 4G Be Safell ejust.org 4 خاص Question 20 Not yet answered Marked out of 3.00 P Flag question The sum of the series Ž(-1) k=1 Select one: 0 -3/2 -1 None 3/2 1 Previous page Finish attempt ...
Question 3 Not yet answered Marked out of 2 Flag question A sample consists of four observations: {1, 3, 5, 7}. What is the standard deviation? O a. 2.58 O b. 6 O c. 2.44 O d. 6.67