A professor used chi-square test to examine the relationship between smoking and colon cancer. He followed a total of 480 people and the result was listed below Colon No Colon Frequency Cancer Cancer Smokers 120 80 Non- smokers 25 255 At a significance level of 5%, can the professor conclude that smoking and having colon cancer are associated with each other? • Yes, because the null hypothesis will be rejected. O Yes, because the null hypothesis will not be rejeted. O No, because the null hypothesis will be rejected. O No, because the null hypothesis will not be rejeted.

Q: (-14) + (–7)

A:

Q: (42x² – 33) ÷ (7.x + 7)

A: We have to solve                           42x2-33÷7x+7

Q: 1. Find L-¹{e-³s} 5}

A: We have to apply the inverse Laplace transform of the second shifting theorem to find the solution…

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Q: 10 14 9.) Find O 18

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Q: 1.25a +3> 0.5a-6 and 2.5a 129-1.5a

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Q: (5V3)2

A: Explanation of the solution is given below...

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Q: 9 – 4x > –3

A: The given inequality is 9-4x>-3

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A: A=1213 Now determinant value is, A=13-12=1 Adjoint of matrix A is, adjA=3-2-11 Now,…

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A:

Q: . 4- 5 4m+8

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Q: х3 — 2х dx х — 1 -3 10. 2

A: Given: I=∫23x3-2xx-1dx For evaluating given integral, we substitute x-1=t…

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A:

Q: Find A.

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Q: Evaluate. (3- 5)² + 4(1 – 5)

A: Given, (3-5)2 + 4(1-5)

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A: Solve the given expression  given expression is 2(3+d-1)

Q: 5)235

A: Answer : 47

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Q: 2.)(-6)-(5(1-3)-6)-4+9)

A: The given equation is as  (-6)-(5((-3)-6)-(-4)+9)

Q: 9. (x² – 2)3

A:

Q: 1 4 5 3 Subtract: 1 8 1 2 6 2 3 5 7 7 | | Preview 2.

A:

Q: 36-9z

A: Given that:36-9z

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A:

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A: y &gt;= 7x/4 +2

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A:

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Q: –4(–6m – 7).

A:

Q: 3. (x³ + 4x² –x – 1) + (x + 3)

A: Here we have to divide two polynomials as shown.

Q: Z4×Z6 has an element of order 24. true or false ?

A:

Q: いーx)dx

A: