- $$\frac{{1}}{{2}}$$
- $$\frac{{2}}{{3}}$$
- $$\frac{{3}}{{2}}$$
- $$\frac{{3}}{{4}}$$
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Three unbiased coins are tossed. What is the probability of getting at most two heads?
Answer: Option 4 Getting at most Two heads means 0 to 2 but not more than 2 Here S = {TTT, TTH, THT, HTT, THH, HTH, HHT, HHH} Let E = event...
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Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even?
Answer: Option 2 In a simultaneous throw of two dice, we have n(S) = (6 x 6) = 36 Then, E = {(1, 2), (1, 4), (1, 6), (2, 1), (2,...
1 Answers 1 views
Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even ?
Answer: Option 2 In a simultaneous throw of two dice, we have n (S) = (6 × 6) = 36 Let E = event of getting two numbers whose product is...
1 Answers 2 views
In a simultaneous throw of two dice, what is the probability of getting a doublet ?
Answer: Option 1 In a simultaneous throw of dice, n (S) = (6 × 6) = 36 Let E = event of getting a doublet = [(1, 1), (2, 2), (3, 3),...
1 Answers 1 views
A coin is tossed live times. What is the probability that there is at the least one tail?
Answer: Option 1 Let P(T) be the probability of getting least one tail when the coin is tossed five times. $$P\left( {\overline T } \right)$$ = There is not even a...
1 Answers 10 views
Two dice are thrown simultaneously. What is the probability of getting the sum of the face number is odd?
Answer: Option 1 In a simultaneous throw of two dice, we have n(S) = 6 x 6 = 36 Let E = event of getting two numbers whose sum is odd. Then...
1 Answers 1 views
Two unbiased coin are tossed .What is the probability of getting at most one head?
Answer: Option 3 Sample space (All [possible outcomes)S=(HH, HT, TH, TT) Event(required outcomes) = (TT, HT, TH) $$\eqalign{ & {\text{p}}\left( {\text{E}} \right) = \frac{{{\text{n}}\left( {\text{E}} \right)}}{{{\text{n}}\left( {\text{S}} \right)}} \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = \frac{3}{4} \cr}...
1 Answers 1 views
When six fair coins are tossed simultaneously, in how many of the outcomes will at most three of the coins turn up as heads?
Answer: Option 4 The question requires you to find number of the outcomes in which at most 3 coins turn up as heads. i.e., 0 coins turn heads or 1 coin...
1 Answers 1 views
When two coins are tossed simultaneously, what are the chances of getting at least one tail?
Answer: Option 3 At least one tails means one tails or both tails Let us see what the possible outcomes are when two coins are tossed simultaneously We can get, 1. Heads and...
1 Answers 1 views
Ten coins are tossed simultaneously. In how many of the outcomes will the third coin turn up a head?
Answer: Option 2 When a coin is tossed once, there are two outcomes. It can turn up a head or a tail. When 10 coins are tossed simultaneously, the total number...
1 Answers 21 views