Statisticsmedium · Past Paper
A coin is tossed three times. What is the probability of getting no tails?
A1/8
B1/4
C7/8
D1/2
✓ Correct Answer: A — 1/8
'No tails' means getting HHH. P = 1/8.
Share this question
More from Statistics
- If the mean of five observations x, x+2, x+4, x+6, and x+8 is 11, find the value of x.
- A student's marks in 5 subjects are 70, 75, 80, 85, and 90. What is the mean absolute deviation about the mean?
- In the formula for median of grouped data $L + \frac{\frac{N}{2} - cf}{f} \times h$, what does 'cf' represent?
- In a symmetric distribution, which of the following is true?
- Two dice are thrown. What is the probability that the sum is a prime number?