Question 1--For a normal distribution: A) Which z-score separates the highest 25% of the distribution from the rest of the scores? B) Which z-score separates the highest 60% of the distribution from the rest of the scores? C) Which z-score separates the lowest 30% of the distribution from the rest of the scores? D) Which z-score separates the lowest 80% of the distribution from the rest of the scores?

Q: I don't understand this question I need help solving it.

A: 2. Let x be the incomes are approximately normal distribution with mean $33,000 and standard…

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

Q: How can I solve question 27?

A: Given percentages for the countries are below: C: 71.9% F: 59.6% I: 76.1% UK: 45.5% US: 45.3%

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A: Let the number of boys in the hall at first be x and number of girls in the hall at first be y.

Q: Can you solve b for this question! Solve it on paper

A: We have to solve part (b) as asked.

Q: t 3"

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Q: This solution seems unclear. Please write the correct solution legibly. I need the solution to be…

A: A fair die is tossed 72,000 times. n=72000  Let X be the number of times that 4 comes up on the die.…

Q: Please can you send filled up , doesn't make sense the answers , which one goes where

A: Given that f(t) is the number of people, in millions who own cell phones t years after

Q: 1. Let f(x) = 2x² – x. Find and simplify the difference quotient: f(x+h) – f(x) h

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Q: I need more help on this

A: Given information: μ=151000σ=35000 n=77

Q: can you try this question again and let me know, I got a different answer

A: To write the equation of logarithmic function that has been vertically stretched by , reflected in…

Q: i need both problems solved not just one

A: (1).Purchased value of the car is:  P=$23000After every year the value of the car is decreased by…

Q: Can you also help me with 10? I'm having a hard time solving it.

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Q: How do I ask for help in Calculus, when I don't know how to do it, and I'm shy?

A: The process to seek homework help is quite simple and easy here. You can either copy and paste the…

Q: My question was how to solve it ? I neeed to know how to do it step-by-step too.

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Q: The age of murder offenders in the U.S. in 2016 is skewed right with a population mean of 31 years…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Thanks for the help! I was also wondering how I would know that the answer would be meaningful?

A: Firstly understand,  Y-intercept :  it is mean value of y when all predictors (x) equals to 0. X=…

Q: Solve for X E R³ the equation AX ВХ.

A: Solving for X.

Q: -, find f'(4) for the given function.

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Q: I am stuck in this question and unsure of how to solve it.

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

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Q: I'm having trouble with this but can I get a and b for this problem thank you!

A: n1=80, x1=64 n2=60, x2=39 X: people got sick 1: Ate fish 2: Did not eat fish

Q: Can you please write the answers out, I cannot see which answer is supposed to go into which box.

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Q: do 2nd question as well

A: To find the equation of the line tangent to the curve  at the point  on the curve.

Q: I tried the solutions you did, but it still said that it's incorrect. I don't know what else I could…

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Q: could you solve the second question as well

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Q: I'm confused about step 2 can I please get an clear answer

A: Sol:-  In this you are confused about step 2 so that i am clearing you about this.

Q: Could I have an explanation with answer so I know how to teach my son, thank you for all the help!

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Q: c question please clarify f

A: The 3 major central tendencies are: Mean Median Mode   Mean A measure of central…

Q: I'm sorry , im not fullying  understanding how you got the second answer . Can you break it down in…

A: Aa it is given that  f(x)=9.44x+84.182*x where f(x) is height of the tree and x is  year.

Q: It's wrong, can you re-solve it

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