# Question: Two key navigation guidance units that will be packaged together

Two key navigation guidance units that will be packaged together for Boeing’s new 1077 have been subjected to repeated testing. Unit Y functioned properly in 96% of the tests. Unit Z functioned properly in 88% of the tests. Curiously, in 90% of the tests in which Unit Y failed, Unit Z also failed.

a. How likely is it that both units fail?

b. Construct a joint probability table for this situation.

c. If Unit Z functions properly, how likely is it that Unit Y will function properly?

a. How likely is it that both units fail?

b. Construct a joint probability table for this situation.

c. If Unit Z functions properly, how likely is it that Unit Y will function properly?

**View Solution:**## Answer to relevant Questions

Local law enforcement authorities are concerned about the growth of violent teenage gangs in the city. They estimate that 65% of juveniles arrested are gang members. If the crime involved is violent, the probability of gang ...The table below shows the size distribution for American households in 1970 and 2010 Suppose you were to choose one household at random from the 1970 population. a. Show the probability distribution for the random variable ...A psychological exam was given to 50 professional athletes. Scores are given below: Score Number of Athletes 20.......... 8 30.......... 18 40.......... 12 50.......... 6 60.......... 4 70.......... 2 50 a. If you ...Use the binomial table to find the following probabilities: a. P ( x = 1), where n = 9, p = .2 b. P (x = 4), where n = 20, p = .35 c. P (3 < x < 5), where n = 15, p = .5 d. P(x > 2), where n = 10, p = .4 According to a recent study done by the Entertainment Software Association, 55% of all the people who play online games are female. If a sample of 15 online gamers is selected, how likely is it that a. At least 7 of the ...Post your question