13. The given table represents a probability distribution. What is P(1) + P(4)? 1 3 4. 1 1 P(X) 1 В.- 3 6. 1 С. 1 A. D. 9. For number 14 to 15, refer to the given problem below: The given table shows the probability distribution of a random variable Z which represents the percentage of male students per section among Grade 11 senior high school students. 8. 9. 11 14 15 18 P(Z) 14. Find P(Z 29) 8% 8 % 25% 17% 25% 17% A. 92% B.84% С. 59% D.43% 15. Find P(8 < Z < 15) A. 84% В.73 % C. 59% D.50%

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Q: Consider x1 = 10, x2 =9, x3 =5, x4=17 A. Find n B. Compose Ex1 C. Determine x.

A: Solution: Given sample data is  x1= 10, x2= 9, x3= 5  and x4= 17

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A: Explanation of the answer is as follows

Q: 4. Find P7 A. z = -3.21 B. z = -1.48 C. z = 1.48 D. z = 0.74

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