The table below shows the probability distribution of a random variable Y. Y P(Y) 11 0.7 12 0.1 13 0.1 14 0.1 What is the variance of Y? Write your answer as a decimal. Do not round.

Q: The table below shows the number of survey subjects who have received and not received a speeding ti...

A: General formula of probability ,   Probability = Number of favorable outcomes Total outcomes     

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Q: The incubation time for a breed of chicks is normally distributed with a mean of 29 days and standar...

A: GivenMean(μ)=29standard deviation(σ)=3

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A: poisson distribution is given by

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Q: The percent of fat calories that a person in America consumes each day is normally distributed with ...

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Q: A certain blood test is 99.5% effective at detecting Foreign Bloodborne Pathogens (such as the hepat...

A: Binomial distribution is given by  

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Q: -3 -2 -1 0 1 3 Please show your answer to 2 decimal places. About % of the area under the curve of t...

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Q: The odds against student X solving a Business Statistics problem are 8 to 6, and odds in favour of s...

A: If the probability of getting selected for each outcome is equal then such outcomes can be termed as...

Q: The mean amount of time it takes a kidney stone to pass is 16 days and the standard deviation is 6 d...

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Q: A key ring contains four office keys that are identical in appearance, but only one will open your o...

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Q: 9. The density function of a random variable X is expressed as f(x) = e*-* for x > 4. (a) Find the c...

A: I solved exactly first 3 subparts because of bartleby policy if you want more please upload separate...

Q: Daniel has 5 different Algebra books and 3 different Trigonometry books. In how many ways can he arr...

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Q: Suppose the mean life of an animal is 8 years with a standard deviation 1 year. Find the probability...

A: As per our guidelines we are suppose to answer only one question. Given,sample size(n)=15mean(μ)=8st...

Q: 47. A person has a yearly income of $100,000 which gives him 100 units of utility. This person has a...

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Q: P(A)=0.64,P(B)=0.45,P(B∪A)=0.92 Find the following probabilities. P(A∩B) =  P(B|A¯) =  P(A¯|B) =

A: We have given that,  P(A)=0.64, P(B)=0.45, P(B∪A) or P(AUB) =0.92 Then,  We will find the following ...

Q: How many 6 digit telephone numbers can be formed if each number starts with 35 and no digit appears...

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Q: 2. How many 3-letter words with or without meaning, can be formed out of the letters of the word, 'L...

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Q: Find the area of the shaded region under the standard normal distribution to the left of the given z...

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Q: A coin is weighted so that P(H) = and P(T) = The coin is tossed 3 times yielding the following 8-ele...

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Q: Find the area of the shaded region under the standard normal distribution between the given z-scores...

A: Given that  A normal curve is given  By using standard normal distribution we solve this

Q: 3 How many times would you expect the spinner to NOT land on Red if the spinner is spun 40 times? Ju...

A: Probability : Probability could be a discipline of arithmetic involved with numerical explanations o...

Q: 2. In each case below, identify the random variable and classify it as discrete or continuous: a. Be...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: DEFINE WHETHER ITS TRUE OR FALSE. QUESTIONS:   1. The curve of a normal distribution extends inde...

A: In this case, we need to check whether the given statements are true or false.

Q: 15. Arun wants to send invitation letter to his 7 friends. In how many ways can he send the invitati...

A: There are 7 friends and 4 servants.We can see that each of 4 servantscan invite each of 7 friends, i...

Q: 11. What is the probability that you will win 3 tickets? a A. 1/16 B. 1/4 C. 5/16 D. 3/8 12. What is...

A: here in given wheel total sections = 16 no. of 1 on wheel = 6 no. of 2 on wheel = 5 no. of 3 on whee...

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Q: Out of 800 families with four children each, what percentage would be expected to have no girls? ass...

A: Given that, Out of 800 families with four children each and  boys and girls are equally likely to ha...

Q: Monica has 1 dice and 1 coin. She throws them together in the air.   What is the probability that s...

A: There are 6 possible outcomes on a dice. They are, 1, 2, 3, 4, 5, and 6. There are 2 possible outcom...

Q: Assume that the readings at freezing on a bundle of thermometers are normally distributed with a mea...

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Q: alphabet and placed in a basket. A slip is pulled out, its letter recorded (in the order in which th...

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Q: Let A = {2, 4, 6, 8} and B = {-23, 55,-5, 37, 21}. Now, f: A → Bdefined by f(z) = z +3z-33. %3D %3D ...

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Q: A mother just received the news that she is carrying an octuplet, determine the probability that the...

A: Number of babies that the mother is carrying (n) = 8 The probability that a randomly chosen baby is ...

Q: The mean amount of time it takes a kidney stone to pass is 13 days and the standard deviation is 4 d...

A: From the given information we find the solution.

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean...

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Q: QUESTION 4 Seven prizes are to be given to seven different people in a group of 9. In how many ways ...

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Q: For #s 7-8, refer to the problem below: A hospital researcher is interested in the number of times t...

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Q: A card is drawn randomly from a regular deck of cards: a) What is the probability that it is either ...

A: Given a card is drawn randomly from a deck of cardsTotal no.of cards in a deck=52

Q: On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of...

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

Q: In the textbook Exercise 5.38, it was determined that the joint density function for Y1, the weight ...

A: Solution

Q: Use technoiogy to hep you test the clam abouthe popuaton manhe gven evet of sgicance ng the gven sam...

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Q: There are K + 1 coins in a box. When flipped, the ith coin will turn up heads with the probabilityi ...

A: An:First n flips all results in heads An+1:At n+1thflips all result in heads.

Q: What is the fewest number of times you must roll a six-sided dice before you can be assured that n o...

A: The Pegion Hole Principle: Suppose that  and  are natural numbers and that we are distributing  obje...

Q: Design a problem that demonstrates the probability of two events that are either mutually exclusive ...

A: just elastrate...

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A: 1. One of the most prominent causes of expatriate is culture shock. This occurs when a candidate is ...

Q: The average American man consumes 9.5 grams of sodium each day. Suppose that the sodium consumption ...

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Q: A customer approached a bank for a $50, 000 loan at 12% interest annu-ally. If the bank does not app...

A: 1)GivenThe loan amount =$50,000Annual interest rate on loan =12%Annual returns on the bond =6% The p...

Q: UNLOCK ME: Unlock the hidden word by matching supplying the letters that corresponds to the number 9...

A: We are asked to identify the word that corresponds to the numbers given below each figure. The lette...