The probability of spinning a 3 on that eight-number spinner is:
A1 by 8
B1 by 3
C1 by 6
D3 by 8
Answer & Solution
Correct answer: A. 1 by 8
1. One of the eight numbers is favourable.
2. All eight outcomes are equally likely.
3. So the probability is one out of eight.
4. The answer is 1 by 8.
_Source: NCERT Class 9 Mathematics, Ch 7 'The Mathematics of Maybe: Introduction to Probability'_
Related questions
Ignoring a leap year, the probability that two friends have different birthdays is:If the probability of Sangeeta winning a tennis match is 0.62, the probability Reshma winsKings, queens and jacks in a deck are together called:Drawing one card from a well-shuffled deck of 52, the probability it is an ace is:A standard deck has 52 cards divided into how many suits?For any event E, the value of P(E) always lies between:The probability of getting a number less than 7 in a single throw of a die is:An event whose probability is 0 is called: