Give it a Try! The data below shows the mean scores in the post-test of two sample groups of students taught using two different methods of teaching mathematics. Method A Method B 1. Formulate a null hypothesis about the population mean. 2 Formulate an alternative hypothesis for (a) a two tailed test and (b) a one tailed test. = 80 = 90 n1 = 20 n2 = 10 1=10

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A: Given ,  We have to solve for y

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A: Given equation 20 = b + a

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A:

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A:

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A: Given :           The first two scores are 72 and 82.          The third test score = s.   To…

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A: We have to find the 90% confidence interval estimate for the difference of means.

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Q: Explain the concept of extraneous solutions.

A: Extraneous solution

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A: Cauchy integral formula

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A:

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A:

Q: 1. t23 Work Solution 2. 16x| 14 Work

A: NOTE: Refresh your page if you can't see any equations. . apply absolute rule  so here we can write…

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A:

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Q: X +2x, = 4 X; – 3x, – 3x, = 2 Xy + xj = 0

A: We will use substitution method to find the value of unknowns.

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A: Topic - Linear Equations We are given Shipping company A*Charges a one time $450 membership…

Q: 1. 2x + 4y + 3: = 15 4x + 5y + 3: == 24 6r + 5y + 5z = 22

A: 1. 2x + 4y + 3z = 15    4x + 5y + 3z = 24    6x + 5y + 5z = 22    243453655 xyz = 152422Augmented…

Q: 1. Solve for x: 6-3(4+x) = -3(-2x+6) 2. Solve for x: et - 2 = 10 3.

A: Given: 1) 6-3(4+x)=-3(-2x+6) 2)  ex/3  -2=10

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A:

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A:

Q: Solve for x. x+5 1 10 12.8 X – 3 A. 1. m

A: Here we have to find the value of x by using the given figure.

Q: Does the solution it address the three additional people drawing?

A: It is related to binomial probability : P(X=x) = nCx*px*qx    p= 12/52 = 0.23 q= 1-(12/52) = 0.77