d) Using a significance level of 0.05, assess whether Gender and Mobile OS preference are independent. Show your working and steps clearly. e) Determine a 95% confidence interval for the proportion of mobile users who are Female

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A:

Q: 6. A club with 20 heterosexual couples (40 people) needs a committee of 4 people. Determine how many…

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A: Solution

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Q: 7) 11 football players in a huddle

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A: We will use substitution to solve this

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Q: how are the different questions separted (aka which is which)

A: Concept:Basic concept of probability are used.

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A: To find the 8th term of 1,2,4,8,......

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A:

Q: 7.) Tomas practiced the piano 3 hours less than twice as many hours as David practiced. Let d…

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Q: 5. Let a. Find A-1. b. Find (BA)-¹. A = (6 4 3). -(1) -3 2 B=

A:

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A:

Q: 10. Evaluate Sdx. a. 2ev + C b. c. ev + C d. tev + C e. None of the above

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Q: Let A= 0 0 and B= then AB equal 2 2 Select one: 3 4 а. -3 4 O b. 2 3 2 2 5 33 C. d. 2 2

A:

Q: Select the correct answer below: 0 (-6,-2) 0 (0,-2) (-18,-4) O (0,4) O(-6,-4) (-18.4) 200 Б 3

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Q: in日二1ーC0XZ6) cosz

A: We know that  Therefore, we have

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A: This question can be solved using properties of triangle.

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A: Let,  I =∫1  e5x  (e2x +e-2x)34  dx At first we will do simplify of the function   f(x)=1e5x…

Q: 3.) A box of Cheerios has a height of 11.5 inches, a length of 7.5 inches and a width of 3 inches.…

A: Since, it is given that a box of Cheerios has a height of 11.5 inches, a length of 7.5 inches and a…

Q: 30 p=75 p= 45 A 175 A= ?

A: