Suppose a researcher is interested in determining the average length of gestation among pregnant Canadian women. Gestation length is approximately Normally distributed. He takes a SRS of 36 Canadian women who have given birth within the last year and calculates the length of gestation in days for each of them, getting a sample mean of 272.25 and a standard deviation of 14.25. How many pregnant Canadian women should be sampled in order to get a 95% confidence interval with a width of 4.8? 36 141 35 142 000 0

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A: Given graph is a straight line so

Q: How do you know to do this?

A: or you can use Heron's Formula to find the area of the triangle.

Q: why part b and c you not solved ?

A: Given in 1998 an advertising company announced a 1000 chips challenge. Given…

Q: whats the answer to (2,1);m=2

A: Here we want to find the equation of the line Passing through the point (2,1) and slope m=2

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: What are the answers to this ? #4

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Q: How do I solve this ?

A: GIVEN: 6 - x - x2  if x ≤ 32x - 5         if x > 3

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Q: How do I answer this ? I have to show my work.

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: How did you find the answer? Can you elaborate more?

A: Standard form of an LPP : Objective function is the maximize type , constraints are all less than…

Q: How do you solve this

A: Comments: As per our guidelines we are supposed to answer only one question. kindly repost other…

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A: Given,

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A: Given that, the graph of the function is fx=4x and also given that, the function shifted down 6…

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Q: what would be the conclusion?

A: From the obtained results, the p-value is 0.0676.

Q: How do I solve?

A: A) Since every year, total reserves decrease by 16 billion barrels of oil, therefore: R=2000-16t,…

Q: How do you tell if a solution is an extraneous solution?

A: Solve the given problem.

Q: What are the answers to this ? #3

A: Denote p as the true proportion of people, who own cats.

Q: How do I solve?

A: The two points are (-2,1),(0,2)

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A: Consider the provided graph,

Q: Hello. Can you hand write the solution. I'm not understanding.  It's not really clear. Thank you

A: " Since you have posted a question with multiple parts, we will solve first  part for you. To get…

Q: I need help solving this question.

A: You need to know this before solving the question.

Q: How do I solve?

A: A linear equation needs two parameters - the slope and the intercept. The slope is the amount of…

Q: How do I solve this?

A: Consider the given functions

Q: could you solve the second question as well

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Q: How do I solve?

A: From the given function: plot  f(x)=3 from -∞<x≤-2 plot  f(x)=-2x-1 from x>-2  to x≤1   x…