The sample space for tossing three coins is: MCQ with Answer and Explanation

The sample space for tossing three coins is:
A. 4 outcomes
B. 2 outcomes
C. 8 outcomes
D. 6 outcomes
Answer: Option C
Solution (By JKSSB Mock Tests)
Three independent coins yield 2³ = 8 possible sequences.

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Practice More Statistics Questions

Question #1
The median of 12, 15, 11, 18, 20 is:
A. 15
B. 20
C. 11
D. 18

Correct Answer: Option A


Explanation:
Ordered: 11, 12, 15, 18, 20. Median = 15 (middle value).

This question belongs to: Accountancy and Statistics Statistics
Question #2
The probability that a leap year has 53 Sundays is:
A. 3/7
B. 1/7
C. 2/7
D. 5/7

Correct Answer: Option C


Explanation:
A leap year has 366 days = 52 weeks + 2 days. Favorable pairs: (Sun,Mon) and (Sat,Sun) out of 7, giving 2/7.

This question belongs to: Accountancy and Statistics Statistics
Question #3
A set of 9 numbers has mean 12. If a number 15 is removed, the new mean is:
A. 12.0
B. 11.625
C. 11.5
D. 13.0

Correct Answer: Option B


Explanation:
Sum initially = 9 × 12 = 108. After removing 15, sum = 93, n = 8. New mean = 93/8 = 11.625.

This question belongs to: Accountancy and Statistics Statistics