In a certain class, 20 students do not like Spider-Man or Dark Knight. In the same class, 74 students like Spider-Man, 56 like Dark Knight, and 33 like both Spider-Man and Dark Knight.  How many students are there in the class?

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A:

Q: Let S be a sample space and E and F are independent events associated with S. Suppose that Pr(E)= 0....

A: Solution

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A: Let Event A be “Do homework regularly” P(A) = 0.6 Event B be “Pass the course”. P(B) = 0.85 95% of t...

Q: d.ore than the expected number of vaccinated residents is found in the sample?

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Q: I. Analyze each statement and figures then tell whether the statement is true or false. Write TRUE i...

A:  Probability of an event is simple defined as the ratio of favorable outcomes to the total outcomes....

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A: In a claw machine (toy crane), one aims to grab a toy from a pool of toys. Suppose that the probabil...

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Q: i) If you have twenty ones and fifteen zeroes how many ways can we arrange these digits such that no...

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Q: 5. In a six-cylinder automobile engine. two spark plugs are defective. Three spark plugs are removed...

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Q: Analyze and accomplish the experiment below. a. Toss five 5-peso coins 20 tímes. Record the outcome ...

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Q: 2.) A person randomly selects on of the six envelopes shown below.. Each envelope contains a check t...

A: For the given data Find the expected value=?          

Q: a) How many four-digit numbers can be formed from the digit 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 if each dig...

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Q: Event C : drawing a card from a deck; event d : without replacement ( without putting the previous c...

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Q: Find the probability of the following card hands from a 52-card deck In poker, aces are either high ...

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Q: In a shoot out in a hockey competition, a player scores on 80% of his shots. a) What is the probabil...

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Q: what is the probability that one or more of the selected companies are located in the said global co...

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A: Given,mean(μ)=100standard deviation(σ)=16

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A:   Hence, the 95% confidence interval is (2.356,18.644) .  

Q: 43. Independent random samples are selected from two populations. Below are selected summary statist...

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Q: The number of flaws in a certain brand of copper wire is modelled by a Poisson process. Suppose that...

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Q: d. Find the 25-th and the 95-th percentiles of the distribution of revenue when A = 2. [The p-th per...

A: d. P(R<R_p) = p P(100+20A+X<R_p) = p P(100+20*2+X<R_p) = p P(X<R_p-140) = p   P((X-E(X))...

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Q: James and Davis belong to the same basketball team. After so many 3- point attempts, James recorded ...

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Q: a) Compute the probability that the bridge will be overtopped at least once during the next 10 years...

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Q: If you draw one tile from the bag of 100 tiles, what is the probability that it is a G? 2. If you d...

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Q: Directions: Solve the given problem. Show your solutions and the Minitab-generated report. 1. In a g...

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Q: 1. Consider each problem below. Determine whether the events are mutually Exclusive or not mutually ...

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only fi...

Q: 2. If one card is drawn from an ordinary deck of cards, what is the probability that: a) it will be ...

A: no.of heart cards=13no.of club cards=13no.of ace card=4no.of face cards=12Total no.of cards=52

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A: We have given that 12 face cards from the four suits ( 4 kings, 4 queens, 4 jacks ). Total cards = 1...

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Q: A clinical trial was conducted to test the effectiveness of a drug used for treating insomnia standa...

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Q: A. True or False: If false, modify the statement to make it true 1.The shape of the normal probabili...

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A: A=?