Let E and F are mutually exclusive and Pr(E) = 0.2 and Pr(F) = 0.6. Find Pr(E ∪ F).

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Q: 6. In a binomial experiment with n = 3 show that P(X = 10 X = 2) = 3pq. Remember that q = 1 - p.

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Q: Insert nor U to make the statement true. (8,12,16,18) (3,8,11,12,15}={8,12} Choose the correct…

A: Given: { 8,12,16,18}__ {e, 8,11,12,15} = {8,12} The blank space value is ? A: ⋂ B: ∪

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Q: The length of trout caught from a certain lake has a standard deviation of 1.8 inches. How many fish…

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Q: how to calculate.  P(X= 8) = 10C8*(0.70)8*(1-0.70)10-8 what is 10C8? where does the number come…

A: From the original problem, we have  p = 70% = 0.70 n = 10

Q: B. A roulette wheel has the numbers 0, 00, and 1 through 36 arranged randomly across its 38 slots…

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Q: 2 What is the value of S to 2 decimal places if X is 1 and S $² is 9?

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Q: Suppose a spokesman for the restaurant claims that the mean sodium content of their hamburgers is…

A: Given that  Sample size n =40 Sample mean=642 Population standard deviation =38

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Q: WHAT IS IT AS A FRACTION FOR EACH ANSWER FOR PART B

A: as you need i gives answer in fraction from previous solution

Q: 4. The random variables X and Y have a joint density function given by 2e-2x Compute COV(X,Y). f(x,…

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Q: Data were collected on the distance a frisbee will travel when thrown at a certain speed. The speed,…

A: The regression line is y^=3.17+52.35s.

Q: Suppose that if you got in a collision, your claim amount would be around $25,000. You go to an…

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Q: Page 353, 5.4.4.* Let X and Yn be 1-dimensional random variables such that Xn and Yn are independent…

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Q: 14. A spinner is spun that has seven equal sections numbered 2, 5, 6, 8, 9, 12,15. What is the…

A: Here we have given the information, A spinner is spun that has seven equal sections numbered 2, 5,…

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Q: Suppose that X and Y have the following joint probability density function. f(x,y) = 134 y, 0 0,…

A: The probability density function is given as, fx,y=3154y, 0&lt;x&lt;5, y&gt;0,x-2&lt;y&lt;x+2 from…

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Q: balls numbered 1 to 15 are placed in a bag. Three balls are drawn at random without replacement.…

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Q: 2100 points <100 points Total 90 al 40 s4 100 the data give evidence of an association between…

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Q: Messages arrive at an electronic message center at random times, with an average of 8 messages per…

A: Let X be random variable from Poisson distribution with average (λ= 8) i.e,  X~ Poisson (λ= 8)

Q: Let A = {2, 3, 4}, B = {3, 4, 5, 6}, and suppose the universal set is U = {1, 2, ..., 9). List all…

A: Solution

Q: 1. Let z be the rainfall volume (m³) and y be the runoff volume (m³) for a particular location: x 5…

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Q: Network breakdowns are unexpected rare events that occur every 3 weeks, on the average. Compute the…

A: Given For 15 week lamda=15/3=5

Q: A population has a mean of 509 and a standard deviation of 458. Suppose a sample of size 100 is…

A: Given Mean=509 Standard deviation=458 Sample size=100

Q: Sales 11 10+ 9- 8- 7+ 6+ 5+ 4+ 3 2+ 1+ Mon 1.l Wed Thur Q Tue The plot above shows the number of…

A: The bar graph for the number of computers sold on the first four days is given.