HEREDITY
BASICS OF PROBABILITY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
When 3 coins are tossed, the probability of getting 3 heads is 0.125.What is the probability of getting fewer than 3 heads?
|
|
0.875
|
|
|
0.375
|
|
|
0.125
|
|
|
0.625
|
Explanation:
Detailed explanation-1: -(i) Let E1 denotes the event of getting three heads. Hence the required probability is 0.28.
Detailed explanation-2: -Answer: The probability of flipping a coin three times and getting 3 tails is 1/8. Let’s solve this step by step. Explanation: Let us mark H for Heads and T for Tails.
Detailed explanation-3: -The probability of observing less than 3 heads is expressed as, P(X<3) P ( X < 3 ) . Hence the probability of observing less than 3 heads is 0.6875.
Detailed explanation-4: -Assuming it is a conventional six-sided one then the probability of rolling a 3 or less is 50% or 0.5.
There is 1 question to complete.