(i) Let {I1,I2, I3,· · } be a set of nested closed intervals, that is In+1 C In for all n. Prove that ... Ø 7 "1U i=1 Show that the above result need not hold if each In is allowed to be an open interval.

Q: If n(A ∪ B) = 50, n(A ∩ B) = 10, and n(B) = 20,find n(A).

A: Given,n(A∪B)=50,n(A∩B)=10 and n(B)=20 To find: n(A) Solution: We know,…

Q: If n(A) = 2, n(B) = 5, and n(A ∪ B) = 7, find n(A ∩ B).

A:

Q: Numerical Response #4: A close who will get to ride to grad in an girls in the limo then there are

A:

Q: If n(A) = 45, n(B) = 15, and n(A ∩ B) = 9, find n(A ∪ B).

A:

Q: please explain step by step, every concept in detail

A: To solve this problem, we can use the concept of combinations. Since the balloons of the same color…

Q: If n(A ∪ B) = 97 and n(A) = n(B) = 66 find n(A ∩ B).

A: Given, n(A ∪ B) = 97 and n(A) = n(B) = 66

Q: answer

A: Please refer to the image below

Q: please explain step by step, each concept in detail

A: To solve this problem, we must determine the number of different committees of 4 students that can…

Q: If n(A) = 41, n(B) = 15, and n(A ∩ B) = 2, find n(A ∪ B).

A: We will use the following n(A U B) = n(A) + n(B) - n(A ∩ B)

Q: You are on a farm that raises cows and chickens. If there are 20 animals total, and the animals have…

A: Number of 4 feeted(cows)animals =                                                        ( L - 2H )…

Q: 700 people went to the amusement park. 500 of them went on a roller-coaster, 100 of them went to the…

A: Let R=roller coaster  H=Haunted house W=water slides S=total 700 people Given, 2 people went on all…

Q: If n(A) = 44, n(B) = 23, and n(A ∩ B) = 8, find n(A ∪ B).

A: Explanation of the solution is given below...

Q: If n(A) =130, n(B) =135, and n(A ∪ B) =250, what is n(A ∩ B)?

A: According to the given information in this questionWe are going to find n(A and B)

Q: In a class that has 25 students, suppose that 24 of them took their exam on a Monday and the average…

A: Refer to the solution

Q: A survey of 1900 commuters in New York City showed that 1120 take the subway, 620 take the bus, and…

A: Introduction:  Consider the commuters to be a sample of universal set and similarly for the subway…

Q: If n(A ∪ B) = 99 and n(A) = n(B) = 69, find n(A ∩ B).

A: Given, n(A ∪ B) = 99 and n(A) = n(B) = 69   The objective is to find  n(A ∩ B).

Q: P(B) = .2, P(A) = .4 and A and B are mutually exclusive. What is P(A and B) and also P(A or B)?

A: Given, P(B) = 0.2, P(A) = 0.4 and A and B are mutually exclusive.

Q: At a university, a dean is going to select 4 volunteers to serve on a committee. There are 11…

A: At university, a dean is going to select 4 volunteers to serve the committee. For this there are 11…

Q: If  n(A) = 66, n(B) = 16, and n(A ∩ B) = 4, find n(A ∪ B).

A: Givenn(A)=66n(B)=16n(A∩B)=4

Q: For this problem, assume that you are to pick 4 cars from the motor pool, which contains 8…

A: Given data: The number of cars to pick is r=4. The number of subcompact cars is s=8. The number of…

Q: For this problem, assume Gwen and Harry have 6 types of cones and 13 flavors of ice cream. (1) In…

A: Probability: Probability is a chance factor that occurs at every outcome of a random experiment.…

Q: survey of 1900 commuters in New York City showed that 1180 take the subway, 650 take the bus, and…

A:

Q: Assume that there are 70 students: 36 who enjoy tennis, and 13 who enjoy swimming but not tennis.…

A:

Q: farmer is raising chickens and cows. There are 42 total chickens and cows on his farm, in which…

A: