Advertisements
Advertisements
Question
In a school only, 3 out of 5 students can participate in a competition. What is the probability of the students who do not make it to the competition?
Options
0.65
0.4
0.45
0.6
Advertisements
Solution
0.4
Explanation:
Given, 3 out of 5 students can participate in a competition, i.e. 2 out of 5 students cannot participate in a competition.
Hence, probability of students who do not make it to competition `2/5` = 0.4
APPEARS IN
RELATED QUESTIONS
A die is thrown. Find the probability of getting 2 or 4.
In a simultaneous throw of a pair of dice, find the probability of getting:
a sum greater than 9
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
a jack, queen or a king
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
jack
A bag contains 5 red marbles, 8 white marbles, 4 green marbles. What is the probability that if one marble is taken out of the bag at random, it will be
red
If you put 21 consonants and 5 vowels in a bag. What would carry greater probability? Getting a consonant or a vowel? Find each probability.
When two dice are rolled:
List the outcomes for the event that the total is odd.
When two dice are rolled:
List the outcomes for the event that total is less than 5.
The probability of getting an ace out of a deck of cards is greater than 1.
When a spinner with three colours (Figure) is rotated, which colour has more chance to show up with arrow than the others?
