Consider results from an entrance examination for fire fighters in a small town. Exam Result Race Pass Fail Total White 15 3 8 other 4 6 10 Total 9 18 Question: Is there evidence that the results of the entrance exam are related to race? Analysis: Perform a statistical test of association between row and column variables. Null Hypothesis: Exam results and race of examinee are independent. Alternative Hypothesis: Exam results and race of examinee are not independent. Copy and paste your code and answer to this question with supporting evidence.

Q: (a) Find P(A1 U A2 U A3) (b) Show that P(A1 U A2 U A3) = 1-(1-1/3)^3

A:

Q: Example 2

A: We know that the median is given by; Median=n+12th observation, if n is oddn2th observation+n2+1th…

Q: Light's Test

A: In this table , b is the identity element . If the row of identity element becomes the header row…

Q: The accompanying table shows the numbers of male and female students in a particular country who…

A: According to the given information, we have Total number of persons = 1832719

Q: 5. A manufacturer of digital recorders claims the distribution of life of its recorders can be…

A: Let X1,X2,....,X64 be the samples from this population. Sample mean, X = 164∑i=164Xi Xi are normally…

Q: Sx -1 xtan xdx

A: Solution of given question is written in below steps.

Q: If f(x) =. x - 1, then f({-1,0, 1, 2}) =

A:

Q: Input Output -4 10 -3 4. -2 0. -1 -2 0. -2 1 0. 10 18 3. 4.

A:

Q: Example 6

A: The scores of the second attempt is given as- Second attempt 34 31 37 32 40 32 44 37 47 41…

Q: GMAT = 172.4 + 78.9 GPA + 0.230 SATM + 0.110 SATV   Where  GMAT = student’s score on the GMAT, GPA…

A: Here given that there is a equation to calculate the GMAT score.  GMAT = 172.4 + 78.9 GPA + 0.230…

Q: not use ai please

A: Step 1: Given Data  x1 = 7,   y1 = 6x2 = 6,  y2 = 4x3 = 6,  y3 = 7x4 = 6,  y4 = 8x5 = 6,  y5 = 4…

Q: gcd(n+1, n) =

A: To Find gcd(n+1,n)=?

Q: linear algebra   What does Span {v1,v2,v3} mean how  do I explain this

A: Solution:

Q: 1 2 x² +6x+18 -dx

A: A detailed solution is given below. We know that, ∫dx(x+a)2+a2 =  1a tan-1x+aa + c

Q: Example 3: Calculate the 5-number summary for both the first and second attempts.

A: Column1   Column2   first attempt    second attempt    Mean 42.5 Mean 37.5 Standard Error…