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Q: Suppose a pencil length is equal to four toothpick lengths. (a) Draw a picture, write some…

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A: The question is about sampling distribution Given: Popl. mean salaries of teachers ( μ ) = $42000…

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Q: (a) Construct an interval estimate of ụ with 95% confidence. (Round your answers to 3 decimal…

A: n = 16 s = 15 xbar = 890

Q: 8. Let R denote the ring 2Z1/(1+ 3i). (a) Show that i- 3 € (1+3i) and that [i] = [3] in R. Use this…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

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A: Given data n=37 mean=61 standard deviation=8 confidence interval=95%

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A: Given that  X~Normal(μ=85,?=21.25) μ=85 , ?=21.25

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Q: (b) Find u (in terms of the number of syringes). (Enter a numbe u = 0.600 v syringes What is the…

A: Let p be the probability that a syringe is defective. Given that p= 5% = 0.05 And, let r represents…

Q: (b) Find the time when the two account balances will be the same. (Round your answer to two decimal…

A: the two balances are given as B1=500×1.02t   and B2=350×1.04t (a) the graph of the balance is as…

Q: dp(x) Let T : P2 → P4 be the linear transformation given by T(p(x)) : - 2.xp(x)+ 3P(x²). dx where…

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Q: A real number s that is irrational is called algebraic if it is the root of a polynomial equation…

A: We will solve both the parts of this question using only basic set theory.

Q: Conduct the following test at the a= 0.05 level of significance by determining (a) the null and…

A: Given that, Test whether p1≠p2. Sample 1 size n1=254 Sample 2 size n2=302 Sample 1 proportion…

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Q: ' EVALUATE (a) lem x² I メ→ 43×キ3x+1」 メナー* ×43x43x+1 (C) lem x2i 7ー ×+」

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A: OA=35 feet OB=70 feet

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A: Given data: Mean = 68 Standard deviation  = 15

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A: Given: μ=500, σ=65  The corresponding z-value needed to be computed is: The probability that this…

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