A business stream airplane has four motors. For an airplane in trip to land

securely, at any rate two motors ought to be in working condition. Every motor has an autonomous unwavering quality of p 92%.

a. What is the likelihood that an airplane in flight can land securely?

b. On the off chance that the likelihood of landing securely should be at any rate 99.5%, what is the base incentive for p? Rehash the inquiry for likelihood of landing securely to

be 99.9%.

c. On the off chance that the unwavering quality can't be improved past 92% however the quantity of

motors in a plane can be expanded, what is the base number of

motors that would accomplish at any rate 99.5% likelihood of landing securely?

Rehash for 99.9% likelihood.

d. One would surely want 99.9% likelihood of landing securely. Looking

at the responses to (b) and (c), what might you say is a superior methodology

to wellbeing, expanding the quantity of motors or expanding the dependability of

every motor?

The likelihood that a transportation organization will get approval to incorporate

a specific port of bring in its transportation course is subject to whether certain enactment

is passed. The organization accepts there is a 0.5 possibility that both the important enactment will pass and it will get the necessary approval to visit the port. The organization

further gauges that the likelihood that the enactment will pass is 0.75. On the off chance that the organization should track down that the important enactment just passed, what is the likelihood that

approval to visit the port will be conceded?

A MBA graduate is going after nine positions, and accepts that she has in each

of the nine cases a steady and free 0.48 likelihood of getting an offer.

a. What is the likelihood that she will have at any rate three offers?

b. In the event that she needs to be 95% certain of having at any rate three offers, the number of

more positions would it be advisable for her to apply for? (Accept every one of these extra applications

\\15\\

will likewise have a similar likelihood of accomplishment.)

c. On the off chance that there are close to the first nine positions that she can apply for,

what worth of likelihood of progress would give her 95% certainty of at

least three offers?