In your school with 400 Grade 11 students, the final examination in General Mathematics has a mean 38 and a standard deviation of 4. 2109y a. If you got a score 43, state how will you find its corresponding z-score? b. What is your percentile rank? c. What is the probability that a random selected student has a score of 25? d. What should be your minimum score if you want to belong to the upper 10% of the group? e. How important is understanding the concept of probabilities and percentiles in this situation?

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Q: What is P(ANB) if P(A) = 0.65, P(B) = 0.30 and P(AUB) = 0.75? %3D %3D %3D

A: It is given that P(A) = 0.65, P(B) = 0.30, P(A U B) = 0.75 Note : Since you have asked multiple ques...

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A: no.of digits (0 to 9)=10no.of letters (A to Z)=26

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Q: A. Complete the table. Express your answer up to decimal places. S 6 90 82 75 10 -1.3 78 84 -2 69 3 ...

A: The formula to compute the z-score is: z=X-X¯sWhereX=Raw scoreX¯= Means=Standard deviation

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A: Farmula used  nCr=n!/(r!(n-r)!) r!=r(r-1)(r-2)...3x2x1   

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Q: What is the Z-score o the 97 with standard deviation of 11.811 and a mean of 80.2?

A: What is the Z-score o the 97 with standard deviation of 11.811 and a mean of 80.2? given;mean(μ)=80....

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A: Note: According to Bartleby guidelines, expert solve only one question and rest can be reposted.

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A: Sampling is a technique used to draw sample from the population of interest.

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Q: what should we pay in return each time the sum does not exceed four to make the game fair?

A: Here two dice are rolled  So number of total outcomes = 6×6 = 36

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Q: If X is an exponential r.v. with parameter 5, identify the r.v. 10X

A: Introduction: The random variable X has an exponential probability distribution with parameter, λ = ...

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Q: Q4 In this question, the real numbers in your answers should be given with three significant digits ...

A: Given  PNegativeNegative=0.95 PPositiveNegative=0.04 PHospitalisedNegative=0.01 PNegativePositive=0....

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Q: Q3- A discrete source generates five symbols with the following probabilities. Symbol S has probabil...

A: Given that, a discrete source generates five symbols with the following probabilities. Symbol S has ...

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A: Here,In a school sports club, 5 are basketball players, 4 are volleyball players, 2 are football pla...

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A: Given,mean(μ)=100standard deviation(σ)=16

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A: Here given, A product is considered satisfactory if it makes, on average, no more than 0.30 error pe...

Q: Write clear please

A: Given

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