A professor use 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 What is the value of the Chi-square statistic for the given data? (give your answer in 2 decimal places)

Q: メ+1

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Q: 3.3 31 3 O 3 O 3평 37

A:

Q: Simplify (22/3.2*/3)

A: We have to simplify the given expression.

Q: A = 6 -2 -2 10 -3 5 1 ---3-0 C=0-2 a = 1, b = [3 08]. -10 1 . B 5 2 11 9 4 4 7 0 0 11

A: We have to solve given Questions.

Q: 4. 3. 4, 8.

A:

Q: Liquid leaked from a damaged tank at a rate of r(t) liters per hour. The rate decreased as time…

A: We need to find lower and upper estimate.

Q: Question 26

A: We have given a graph which represent the derivative f' of some function f. we have to draw the…

Q: 31/2 / 1/2

A:

Q: N. 15 12

A:

Q: 1. 2. 3.

A:

Q: Suppose that 103 Σ ai = 19 and i=1 103 i=1 b₁ = 18. Compute the sum.

A:

Q: 619 d. 4 10

A:

Q: 9/12+3/24

A:

Q: 10 8. ID 116

A: Introduction: The division is one of the four basic mathematical operations, alongside addition,…

Q: 6.3 3

A:

Q: 198-33

A: Given: 198-33

Q: 6.1 4

A: Given that  The vector

Q: 1805

A:

Q: 2. 14 11

A: To find x.

Q: 3. What is the type of the function y-(3x+5)(2x+1)? ODecreasing Static Exponential Logarithmic…

A: The given function is y=3x+52x+1. What is the type of the given function.

Q: 57-24

A: Given that: 57-24

Q: 2) Expand the following a) Csa2-2b)

A: I have to exapand (5a^2-2b)

Q: Identify the postulate for each drawing

A: Identify the postulates for each drawing

Q: 6. 8.

A: Pythagorean Theorem:                  Pythagoras theorem states that  "In right angled triangle ,…

Q: In the following diagram below, what is the slope of line AB? 3.

A: Ans:   1) From the graph given we can see the values of A= x1,y1= 3,4 B=x2,y2= 0,0

Q: 24

A: Solution : find length of side

Q: 29 Using the combination formula expand (5+x)

A:

Q: 3 33. 3 .2 3.

A:

Q: 11. 6.

A: We have to find radius

Q: 39. 2

A: according to given figure given function is decreasing in it's domain

Q: 2sinx +-cafx costX

A: We know that sin^2x+cos^2x=1 2sin^2x+1-cos^2x\cos^2x = 2sin^2x+sin^2x/cos^2x 3sin^2x/cos^2x = tan^2x

Q: 12 16 5n

A: Area of triangle= (1/2) × Base × Height

Q: 6-1 t.

A: