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Arithmetic Ability | Probability
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Addition Theorem of Events
Bayes’ theorem
Binomial Distribution
Conditional Probability
Discrete Distributions
Events and Sample Spaces
Mean and Variance of Random variables
Measures of Dispersion
Multiplication Theorem of Events
Odds of an Event
Probability of Complementary Event
Probability of Random Experiments
Questions
Two dice are thrown simultaneously. What is the probability of getting the sum of the face number is odd?
ক
12
খ
23
গ
34
ঘ
13
Which of the following is not a condition of the binomial distribution?
ক
Must have at least 4 trials
খ
Only 2 possible outcomes
গ
Have a constant probability of success
ঘ
Trials must be independent
Three unbiased coins are tossed. What is the probability of getting at most two heads?
ক
3\/4
খ
7\/8
গ
1\/2
ঘ
1\/4
Four dice are thrown simultaneously. Find the probability that all of them show the same face.
ক
1\/216
খ
1\/36
গ
2\/216
ঘ
4\/216
In a simultaneous throw of two dice, what is the probability of getting a doublet ?
ক
1\/6
খ
1\/3
গ
4\/7
ঘ
4\/5
A coin is tossed live times. What is the probability that there is at the least one tail?
ক
$$\frac{{31}}{{32}}$$
খ
$$\frac{{1}}{{16}}$$
গ
$$\frac{{1}}{{2}}$$
ঘ
$$\frac{{1}}{{32}}$$
Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even ?
ক
$$\frac{1}{2}$$
খ
$$\frac{3}{4}$$
গ
$$\frac{3}{8}$$
ঘ
$$\frac{5}{16}$$
A bag contains five white and four red balls. Two balls are picked at random from the bag. What is the probability that they both are different color?
ক
$$\frac{{4}}{{9}}$$
খ
$$\frac{{5}}{{9}}$$
গ
$$\frac{{7}}{{9}}$$
ঘ
$$\frac{{8}}{{9}}$$
When two coins are tossed simultaneously, what are the chances of getting at least one tail?
ক
$$\frac{{4}}{{5}}$$
খ
$$\frac{{1}}{{5}}$$
গ
$$\frac{{3}}{{4}}$$
ঘ
$$\frac{{1}}{{4}}$$
Two unbiased coins are tossed. What is probability of getting at most one tail ?
ক
$$\frac{{1}}{{2}}$$
খ
$$\frac{{2}}{{3}}$$
গ
$$\frac{{3}}{{2}}$$
ঘ
$$\frac{{3}}{{4}}$$
Two dice are thrown simultaneously. What is the probability of getting the face numbers are same?
ক
$$\frac{{1}}{{6}}$$
খ
$$\frac{{2}}{{3}}$$
গ
$$\frac{{4}}{{9}}$$
ঘ
$$\frac{{5}}{{6}}$$
In a throw of coin what is the probability of getting head.
ক
0
খ
1
গ
2
ঘ
$$\frac{{1}}{{2}}$$
In a throw of coin what is the probability of getting tails.
ক
0
খ
1
গ
2
ঘ
$$\frac{{1}}{{2}}$$
Two unbiased coin are tossed .What is the probability of getting at most one head?
ক
$$\frac{{1}}{{4}}$$
খ
2
গ
$$\frac{{3}}{{4}}$$
ঘ
1
Which of the following is not an example of a discrete probability distribution?
ক
The number of bathrooms in a house
খ
The sale or purchase price of a house
গ
The number of bedrooms in a house
ঘ
Whether or not a home has a swimming pool in it
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