Acity's Registrar's Office answers 60% of the calls from understudies right away. Of the 40% calls that are not replied

promptly, 75% or the guest get a subsequent call that very day, and 25% get a subsequent call the following day.

Of those understudies whose calls are addressed promptly, 80% have plan related issues. Of those understudies who

were followed up that very day, 60% have plan related issues. Of those understudies who were followed up the following

day, 40% have plan related issues. Given that an understudy has plan related issues, what is the likelihood that the

call is addressed right away?

Modify issue 25 in area 4.2 of your content, including the moving of a bite the dust. Accept that the bite the dust is weighted so the likelihood of a 1 is 0.2, the likelihood of a 2 is 0.1, the likelihood of a 3 is 0.1, the likelihood of a 4 is 0.2, the likelihood of a 5 is 0.1, and the likelihood of a 6 is 0.3. You roll the kick the bucket until the amount of all numbers which have seemed surpasses 3. An irregular variable XX is characterized to be the quantity of rolls.

What number of various qualities are workable for the arbitrary variable XX?

+14+

Fill in the table underneath to finish the likelihood thickness work. Be sure to list the upsides of XX in rising request.

Five siblings and their spouses choose to have kids until every family has two female youngsters.

a) What is the pmf of X = the complete number of male kids brought into the world to the siblings? (Enter mixes utilizing the equation (n pick r).)

(b) What is E(X)?

(c) How can it contrast with the normal number of male youngsters brought into the world to every sibling?

question 42, A Gallup Poll showed that 30% of Americans are happy with the state of affairs going in the US. Assume an example of 20 Amserican is chosen as a feature of the investigation of the condition of the country.

Figure the likelihood that precisely 4 of the 20 Americans overviewed are happy with the status quo going in the United States

Figure the likelihood that at leeast 2 of the Americans overviewed are happy with the status quo going in US.

Fro the example of 20 Americans figure the normal number of Americans who are happy with the state of affairs going in US

For the example of 20 Americans, register the change and standard deviation of the quantity of Americans who are happy with the status quo going in the US..

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