What is the probability that 1 appears 2 times given that 1 appeared at least one time?

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: 7. A family has three children and the number of girls is recorded. (Assume an equal chance of a boy...

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Q: According to Masterfoods, the company that manufactures M&M's, 12% of peanut M&M's are brown, 15% ar...

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Q: I. The following data show the probabilities for the number of inquiries received per day by the Off...

A: In statistics, the continuous variables are variables whose values can be given by an interval, they...

Q: Performance Task 4: Problem Solving & Multiple Choice. Directions: Solve the following problem, show...

A: As per our guidelines we can solve first MCQ question and rest can be reposted. Solution-: Given dat...

Q: What is the power demand value that is exceeded with 80% probability?

A: Here given  The method treats the system power demand as a normal random variable with 0 mean and un...

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

A: Given: The method treats the system power demand as a normal random variable with mean 0 and unit va...

Q: An American roulette wheel contains 38 numbers: 18 are red, 18 are black, and 2 are green. When the ...

A: Givenno.of red numbers=18no.of black numbers=18no.of green numbers=2Total numbers=38

Q: A large pile of coins consists of pennies, nickels, dimes, and quarters (at least 20 of each). How m...

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a ti...

Q: Given X̄ = 62 ans s=8. Find the z=score value that corresponds to each of the following scores up to...

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Q: A regional telephone company operates 3 identical relay stations at different locations. During a pe...

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Q: Truck Inspection Violations The probabilities are 0.4, 0.2, and 0.4 that a trailer truck will have n...

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Q: What does 35/100 in the first row of the table express? Is it P(Point guard and female)? P (Point gu...

A: Here given percentages of several men and women in the NBA and WNBA. Their positions are shown and e...

Q: Heart failure is due to either natural occurrences (84%) or outside factors (16%). Outside factors a...

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Q: A senior inspector will inspect 10 rooms this week. (d) To have a fair representation, how many sea-...

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Q: Which of the following data show most likely the largest possible variance or variability?

A: HERE FOR VARIATION THE MORE VALUE RANDOM VARIABLE TAKES THE LARGER THE VARIANCE          NOTE-AS PER...

Q: Here are measurements (in millimeters) ot a critical dimension on an SRS of 8 of the more than 200 a...

A: Given,sample size(n)=8sample mean(x¯)=234.12+233.91+234.21+233.96+234.07+233.98+234.09+234.158sample...

Q: A certain type of flashlight requires two type-D batteries, and the flashlight will work only if bot...

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Q: An instructor for Probability & Statistics wants to investigate if a new teaching technique is more ...

A: Claim : the new technique is more effective

Q: Find the variance and standard deviation of X

A: The variance can be calculated as V(X) = E(X2) - [E(X)]2

Q: Complete the table and answer the question. a. What is mean of the probability distribution? b. What...

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Q: There is a  standard deck of 52 cards, a hand of 7 is dealt. How many hands are possible that have: ...

A: Given that the, standard deck of 52 cards, a hand of 7 is dealt. Therefore the total number of combi...

Q: A probablity expenment consists of roling a eight-sided die and spinning the spinner shown at the ri...

A: We have given that 8 sided dice And, a spinner consist of 4 colour  Event : rolling a number less th...

Q: 3. Suppose that 10 balls are put into 5 boxes, with each ball independently being put in any one of ...

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Q: For items 11-15, refer to the data below: A population consist of five (5) measurements 2,3, 5, 6 an...

A: We have given that data 2,3,5,6,7 Mean = sum of all observations/total number of observations    NOT...

Q: The mean of the probability distribution below is 37.05, with a variance of 36.75 and standard devia...

A: We have given that Mean = 37.05 Variance = 36.75 Standard deviations =6.06

Q: Directions. Locate the following percentiles under the normal curve. Sketch its figure on the normal...

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Q: 15. A box contains five green balls, three black balls and seven red balls. Two balls are selected a...

A: Here both question are without replacement model so use hypergeometric distribution

Q: My car has a dead battery and I need some jumper cables. People stop to help me but I have to refuse...

A: Geometric distribution: The probability mass function of Geometric distribution is P(n) = p(1 - p)n ...

Q: A research scientist reports that mice will live an average of 40 months when their diets are sharpl...

A: Let X be the random variable from normal distribution with average or mean (μ) = 40 and standard dev...

Q: For the sample: 45 84 73 58 54 73 52 60 51 80, Determine the median. Median is Blank 1 Clank 1 Add y...

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Q: 4. Suppose the variance of X is 2.0091. Which of the following is(are) TRUE? L In the long run, the ...

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Q: I. Identify whether each variable is a discrete or a continuous probability. 1. Number of tails when...

A: According to the answering guidelines, we can answer only three subparts of a question and the rest ...

Q: A person invests $1 in a market in which he may gain $1 with probability or may lose $1 with probabi...

A: It is given that a person is starting with $1 and is equally likely to lose or gain $1. i.e, z=2 p-q...

Q: second-stage smog alert has been called in a certain area of Los Angeles County in which there are 7...

A: a) It is given that N=70, M=28 and n=10.

Q: P Please find in the below table the proportion of Quebecers who made a donation to specific charit...

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Q: QUESTION 19 Consider the computer output shown below One-Sample Z test Test mu-30 Vs not = 30 The as...

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Q: Find the sample size of each of the following: 1. 90% confidence, o = 25, E = 3 2. 98% confidence, E...

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

Q: 1.6.Find the corresponding standard score of the following values: a. 88 b. 86 c. 92 d. 94​

A: Here given  Mean = 90 Standard deviation  = 1.6 Use z score formula here 

Q: You enter a chess tournament where you probability of win- ning a game is 0.3 against half the playe...

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Q: If the expectation of a Poisson variable is 1, then find P(X> 1).

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Q: 10. How many possible outcomes will occur from the experiment above? А. 2 В. 4. С. 6 D. 8 12. What m...

A: When we tossed two fair coins then the  the sample space is given by S= {HH,HT,TH,TT}   

Q: The coefficient of correlation between the ages of husbands and wives in a community was found to be...

A: Solution is given below:  

Q: A high school baseball player has a 0.286 batting average. In one game, he gets 6 at bats probabilit...

A: Note: Please repost 2nd question as I can author only 1 question as per my policy Given data,p=0.286...

Q: TOPIC: Permutation / Combination List all the 3-letter and 4-letter arrangement in a row using the ...

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

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Q: 1. The probabilities that a market inspector will discover violations of the public health code in a...

A: As per our guidelines we are suppose to answer three sub parts. Required probability is P(X≥2)

Q: An urn contains 4 white and 3 red balls. Find the probability distribution of red balls in a random ...

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Q: According to the Center for Disease Control (CDC), about 15.5% adults (18 years or older) in the U.S...

A: Note: Hi! Thank you for the question. As you have posted multiple sub-arts, according to our policy,...