Advertisements
Advertisements
Question
The probability of the spinning arrow stopping in the shaded region (Figure) is `1/2`.
Options
True
False
Advertisements
Solution
This statement is True.
Explanation:
Favourable outcomes = Number of shaded regions = 2
Total number of possible outcomes = Total number of regions = 4
∴ Probability = `"Favourable outcomes"/"Total number of possible outcomes"` = `2/4` = `1/2`
APPEARS IN
RELATED QUESTIONS
When a die is thrown, list the outcome of an event of getting a number greater than 5.
A die is thrown. Find the probability of getting:
a prime number
In a simultaneous throw of a pair of dice, find the probability of getting:
8 as the sum
In a simultaneou throw of a pair of dice, find the probability of getting:
a doublet of odd numbers
Three coins are tossed together. Find the probability of getting:
no tails
When two dice are rolled:
List the outcomes for the event that the total is odd.
When two dice are rolled:
Find probability of getting an odd total.
Rohit collected the data regarding weights of students of his class and prepared the following table:
| Weight (in kg) | 44 – 47 | 48 – 51 | 52 – 55 | 56 – 60 |
| Number of Students | 3 | 5 | 25 | 7 |
A student is to be selected randomly from his class for some competition. The probability of selection of the student is highest whose weight is in the interval ______.
When a coin is tossed, there are 2 possible outcomes.
Classify the following events:
A ball thrown up in the air will fall down after some time.
