Eight coins are tossed simultaneously. Find the probability of getting atleast six heads.

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Q: 2)Assume that the Binomial conditions are met for the values of n and p. A fair die is thrown 10 tim...

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Q: 15. Suppose we have a continuous random variable over -2 < x < 5. What is the mean of X? Round-off t...

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Q: Find the unknown in each item.  1. C (8,3)= 2. P (5,r)=__120__ 3. C (9,9)= 4. C (n,4)=15

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Q: (i) Find a 95\% confidence interval for p, the true proportion of the Egyptian population infected w...

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Q: 1. Samples of 3 cards are drawn without replacement from a population of five cards numbered from 4 ...

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Q: The number of requests for assistance received by a towing service is a Poisson process with rate a ...

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Q: 1. The final exam scores in a statistics class are normally distributed with a mean u = 64 an standa...

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Q: Probability of getting an even number in a six-sided die

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Q: Battery life X~N(20, 10). Guarantee: avg. battery life in a case of 24 exceeds 16 hrs. Find the prob...

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Q: In the past, it had a probability of 0.68 success in any attempt to make a call on the telephone. Ca...

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Q: DA hot dog vendor at Memorial Stadium sells hot dogs for $5 each. He buys them for $2 each. All the ...

A: Given: μ=100σ=5Buy = $2 eachSell = $5 eachSell (Evening) = $1

Q: Given P(A) and P(B) are independent events, P(A) = 0.4 , P(AUB)' = 0.3 , and P(B) = %3D %3D %3D 0.5....

A: Given,P(A)=0.4P(A∪B)'=0.3P(B)=0.5

Q: Customers at a petrol station pay with a credit card (4), debit card (B) or cash (C). Assume that su...

A: Solution: Given that: Customers a petrol station pay with a credit card (A), debit card (B) or cash ...

Q: Knowing that the average calls a fire station receives on weekdays is 13, calculate the probabilit t...

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Q: If S= {0,1,2,3,4,5,6,7,8,9} ve A={0,2,4,6,8}, B={1,3,5,7,9}, C={2,3,4,5} and D= {1,6,7}, list the el...

A: The sample space is denoted by S and it is the complete set of all the possible outcomes of the expe...

Q: An article in International Journal of Electrical Power & Energy Systems "Stochastic Optimal Load Fl...

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Q: Suppose a computer company has manufacturing plants in three states. 50% of its computers are manufa...

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Q: Printed circuit cards are placed in a functional test after being populated with semiconductor chips...

A: The total number of cards is 120, 5 are defective. Sample of 20 cards selected without replacement

Q: Activity Complete the table. Percentile df Right-Tailed Area 1. 90th 16 2. 95th 9. 3. 75th 16 4. 97....

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Q: The is ginen by Pcx) z ke ether wse ) what Ts Hhe step size (9)if theen quantitatron lenls- ) hnd f ...

A: *Answer: 

Q: c. What is the probability of that a jeweller will sell, at most, three watches on a given day? d. W...

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Q: Find the number of permutation if five 1,000- peso bills, three 100-peso bills, and two 50- peso bil...

A: Given: Number of 1000 peso bill = 5 Number of 100 peso bill = 3 Number of 50 peso bill = 2

Q: A laptop company claims up to 11.5 hours of wireless web usage for its newest laptop battery life. H...

A: Given Information: Mean μ=10.5 hrs Standard deviation σ=36 mins Convert 36 mins to hours by dividing...

Q: a. According to a reputable health organization, a woman has low HDL (higher risk) if her HDL readin...

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Q: students are required to join at least one school club to get extra-curriculum activities' ma owing ...

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Q: Suppose that the average price of potatoes was Tk. 40 per kg last month. A researcher wants to find ...

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Q: A côin is flipped se times here each Ilip comes up ther heads or tailS. ow many possible outcomes co...

A: Given  A coin is flipped seven times where each flip comes up either heads or tails.  

Q: Organisms are present in ballast water discharged from a ship according to a Poisson process with a ...

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Q: Employees in 2012 paid 4.2% of their gross wages towards social security (FICA tax), while employers...

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Q: An simple random sample (SRS) of 100 laborers who use the services of a national temporary employmen...

A: Given information- Hypothesized mean µ = 120 days Sample size (n) = 100 Mean x̅ = 107 Standard devia...

Q: . Give the probability distribution of the possible outcomes

A: here given for coin , p(H) =2p(T) coin is rolled 3 times

Q: Question 3 The life time of an electrical part follows an exponential distribution with mean of 7 ye...

A: GivenA random varaible x follows exponential with mean of 7 yearsx~exponential(θ=17)f(x)=17e-x7 ;  x...

Q: There Is an average of 4 accidents in a week on a major highway in the city. Wnat is the standard de...

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Q: a. What is your probability of winning? The probability of winning is (Type an integer or a simplifi...

A: NOTE- AS PER POLICY I HAVE CALCULATED FIRST 3 SUBPARTS ONLY   Here given modified roulette contains...

Q: What is the Bayes Factor for the association between gender and position type?

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Q: 11. In how many ways can we seat 7 people at a round table with a certain 3 people not in consecutiv...

A: Given: Total available people = 7 3 people must not sit in consecutive order.  

Q: An urn contains 3 white balls and 3 red balls. Let the random variable X denotes drawing of white ba...

A: Given that : urn contains 3 white balls and 3 red balls. Let the random variable X denotes drawing o...

Q: 25. In the game of bridge 52 disting distributed at random among 4 one player has a complete suit?

A: * SOLUTION :-  (25)   Based on the above information the calculation is given below.  

Q: A set of three similar coins are tossed 100 times with the following results: 1 2 3 Number of heads:...

A: Solution is given:

Q: Show complete solution. A personal computer is used for office work at home, research, communication...

A: Given that, Mean = 4 And standard deviation= 2.5  Let X represents the household personal computer i...

Q: Question 2 In Alpha College, students are required to join at least one school club to get extra-cur...

A: As per our guidelines we are supposed to answer only 3 sub-parts of any question per post so I am so...

Q: A study was carried out on the blood pressure of 60-year-old women with glaucoma. In the study, 200 ...

A: From the provided information, Sample size (n) = 200 Confidence level = 90% Sample mean (x̄) = 140 S...

Q: Home Work -1: The random variable X has the probability distribution of the following form : 3. 4. P...

A: As per our guidelines we are suppose to answer three sub parts. X 1 2 3 4 P(X) k 2k 3k 4k

Q: A laptop company claims up to 11.5 hours of wireless web usage for its newest laptop battery life. H...

A: Given that mu = 10.5,sigma =36, p(X&gt; x ) =0.9 x =?

Q: 7. A container has 5 red dice, 3 green dice and 4 black dice. If you randomly pick 2 marbles from th...

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