: E1 occurs and E2 occurs, find probability of E3

Q: programming computer package is needed. The Westchester Chamber of Commerce periodically sponsors…

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Q: In a carnival game, a contestant has to first spin a fair coin and then roll a fair cubical dice…

A: P(prize won)=P(coin shows heads) and P(dice score is lower than 3) The event that the coin shows…

Q: 10. ( Suppose that 25% of all emails you receive are spam. An algorithm was developed to filter spam…

A: Given Information: 25% of all mails received are spam. False positive rate is 0.5% False negative…

Q: next problem with the production line diagnosed as being due to an initial repair that was…

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Q: The odds in favour of River passing her swimming test on the first try are 13:4.  The probability…

A: Given: The odds in favor of River passing her swimming test on the first try are 13:4

Q: J be Let 白 & be a Space 'S.. 8 - derive random and let a partition of 's Using only Kolomogorov's a)…

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Q: Q2/suppose there were six kinds of toppings that one could order for a pizza. How many combinations…

A: Here given there are total 6 toppings are available  Here use combination

Q: Suppose that the joint probability mass function of X and Y is X... Op 1+ 2+ Yo -1+ 0.05 0.1 0.1 0…

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Q: What happens to the width of a confidence interval as we increase confidence level, i.e as we…

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Q: a. What is the probability that Harriet misses for the first time on her 10th shot? b. What is the…

A: HERE GIVEN ,  Harriet , a basket ball player , can score from the 3-point line with probability 87%…

Q: Activity Measures of Variability 2. Standard Deviation Athletes from China, Philippines and Korea…

A: Measure of dispersion is used to measure the data deviated from the mean. It used to summarize the…

Q: What is the probability that difference in the two-sample means s X₂-X₁ is at least 15 hours? Assume…

A: It is given that For old process, mean = 5000, SD = 40, sample size n1 = 16 For improved process,…

Q: A leisure ice rink in a recreational centre has public skate for 24 minutes, skating lessons for 27…

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Q: You have the following pairs of socks in your suitcase: 2 white, 1 red, 3 blue and 4 black. A.) If…

A: As Prof. N. G. Das said "If there are n mutually exclusive, exhaustive and equally likely outcomes…

Q: Given a deck of 52 playing cards, in how many ways can a hand of 5 cards be dealt such that exactly…

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Q: qn: A company is working on two independent projects P and Q. There is a 70% chance of finishing…

A: Given  P and Q are independent P(P)=70%=0.70 and P(Q)=60%=0.60 Result: If P and Q are independent,…

Q: in how many ways can a hand of 5 cards be dealt such that 2 are black and 3 red cards?

A: here given ,  there are 52 cards in deck  there are 26 red and 26 black cards in decks

Q: Is the given statement true or false? C= "Cn-r a. False O b. True O

A: Given,Crn=n!n-r! r!

Q: Find the probability that a green is drawn from B. B. Find the probability that a red is drawn from…

A: here define events  R = red ball  G= Green ball here 2 balls are selected from A and Transfer to B ,…

Q: next problem with the production line diagnosed as being due to an initial repair that was…

A: Here given, Four technicians regularly make repairs when breakdowns occur on an automated production…

Q: 2. The CPU time requirement X of a typical job can be modeled by the following hyperexponential…

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Q: 4. (简答题, 8.0分) The number of credits being taken by a sample of 13 full-time college students for a…

A: Measure of central tendency are used to measure the central values. Measure of central tendency are…

Q: Q6/ Find the probabilities that a random variable having the standard normal distribution will take…

A: here given ,  a random variable with standard normal distribution have mean = 0 and Standard…

Q: Q2/suppose there were six kinds of toppings that one could order for a pizza. How many combinations…

A: GivenNo.of toppings(n)=6No.of toppings could be ordered(r)=3

Q: probability that there will 10 log-ons over a 48 minute period? What is the probability that at…

A: here given , in large corporate  computer network ,  there are an average of 27 log-ons per hour  λ…

Q: A continous random variable x has p.d.f.,then a. f(x) >=1 b. f(x) >==0 O C. 0=;0

A: In above question we will talk about it is true or not for probability density function(pdf)

Q: Practice Problem 2: Girl or Senior? A local high school has 1400 students; 800 of whom are girls.…

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Q: Find the value of k that makes the above function a proper p.d.f. Part b) Hence find P(0.25 < X <…

A: here given ,  probability distribution of x  f(x) = x6+ k  , 0&lt;x&lt;20   , otherwise

Q: 70% of your friends like Chocolate, and 35% like Chocolate AND like Strawberry. What percent of…

A: The provided information is  P(Chocolate and Strawberry)=0.35 P(Chocolate)=0.70   We have to find…

Q: probability that over the next 3 days, no more than 10 classic comic books are sold? (Assume a…

A: Given : mean : λ = 12

Q: Q4/ The average on a statistics test was 78 with a standard deviation of 8. If the test scores are…

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Q: (1) (11) Show all the possible outcomes with a tree diagram. Find the probability that two heads and…

A: Here given three coins are Thown And take head = H tail = T  P(H) = 1/3 P(T) = 2/ 3

Q: Q5//Four technicians regularly make repairs when breakdowns occur on an automated production line.…

A: Given: Four technicians regularly make repairs when breakdowns occur on automated production line.…

Q: r A continous random variable x has p.d.f.,then f(x) >;0 a O It; f(x)==0 f(x) >==0 f(x) >=1 .b O .CO…

A: To find: A continous random variable x has p.d.f , then ?

Q: Q3/ The probability that a consumer will rate a new antipollution device for cars What are the…

A: Given: Rate very poor poor fair good very good Excellent Probability 0.07 0.12 0.17 0.32 0.21…

Q: Which of the following is correct about the events A and B?

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Q: b) If we have the following mass function: f(x) = x/6, x = 1, 2, 3: In Find 1. V(x) 2. V(4x) 3.…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: Q3/ The probability that a consumer will rate a new antipollution device for cars What are the…

A: Given: Rate Very poor Poor Fair Good Very Good Excellent Probability 0.07 0.12 0.17 0.32 0.21…

Q: Use the table of critical values of the Pearson correlation coefficient to determine whether the…

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Q: . How many students obtained scores between 74.5 to 84.5? . How many students obtained scores…

A: Here Given  The frequency curve of the Scores obtained by students

Q: In a random check on an assembly line, the probability of finding a defective item is 0.005.…

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Q: Q3: The effective life of a component used in a jet-turbine aircraft engine is a random varia 5000…

A: n1=16, n2=25, population mean μ1=5000, Population mean μ2=5030, Population standard deviations…

Q: The weights of ice cream cartons are normally distributed with a mean weight of 7 ounces and a…

A: Standard normal distribution is a type of normal distribution expressed in z-score.

Q: (a) If the research team continues to run laboratory tests, what is the mean number of trials until…

A: here given , A research team has developed a face recognition device to match photos in a database.…

Q: iv) two of the numbers are the same and the remaining number is different (a "single pair").

A: here given ,  three fair six sided dice are rolled  probability of rolling each number  = 1/ 6…

Q: Q3/ The probability that a consumer will rate a new antipollution device for cars What are the…

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Q: (a) How large should the sample be if the margin of error is to be less than $4? ANSWER: (b) If we…

A: here given , Population standard deviation  =  34$  Confidence level = 90%  MOE &lt; 4 $

Q: A college is going to administer an assessment test to incoming freshman. Co be administered over…

A: Note : Both questions are different questions. As per answering guidelines I have to answer only one…

Q: Two "random" quarter-circles is generated as follows. First one randomly, uniformly choose a cutoff…

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Q: 2. A vaccine is found to be 85% effective in preventing a certain disease. The vaccine is given to…

A: Let p be the proportion of effective in preventing a certain disease n=number of people to given…