Statisticseasy · Past Paper
If P(E) = 0.7, what is P(not E)?
A0.7
B0.3
C1.7
D1
✓ Correct Answer: B — 0.3
The sum of the probability of an event and its complement is 1. 1 - 0.7 = 0.3.
Share this question
More from Statistics
- What is the probability of getting a sum of 2 when two dice are thrown?
- What is the mode of the following data: 5, 8, 5, 3, 2, 5, 8, 4, 1?
- Which of the following classes is the median class for a distribution where N=100 and CF for classes (0-10, 10-20, 20-30, 30-40) are (10, 35, 65, 85)?
- In a pie chart, if the angle of a sector is 60 degrees, what is the ratio of that part to the whole?
- If a number is selected from 1 to 15, what is the probability it is a prime number?