SOLUTION: MASCB 1001 Higher College of Technology Business Mathematics and Statistics Questions

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Running Head: PROBABILITY

1

Mathematics and Statistics Assignment
Student’s Name
Institutional affiliation

PROBABILITY

2
Question 1

10 Digits (A) and 26 Alphabets (B)
P [A] = -10/ (10+26) =10/36
P(B) 26/36
(i) P[A] = 10/36
P(B) = 0.7228
(ii) P[B] = 26/36
= P[B] = 0.7222

B) Replaced
(i) P (Both letters) = 26/36 * 26/36 = 0.5216

Not Replaced (ii)
P (Both Letter) = 26/36 * 25/35 = 0.51587

PROBABILITY

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Question 2

PROBABILITY

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Question 3

Survey results

Gender

Male

Female

Total

Face-to-face letters

12

5

17

Online letters

6

7

13

Total

18

12

30

a.
Probability that the ward prefers Online letters given that he is a courageous = P (Online letters |
Male)
= P (Online letters and Male) /...

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