Recent questions in Probability and combinatorics

PrecalculusAnswered question

temujinzujb 2023-03-25

Find the probability of getting 5 Mondays in the month of february in a leap year.

PrecalculusAnswered question

criosachuga 2023-03-13

The probability of certain event is:

A)1/2

B)1/3

C)1/6

D)1

A)1/2

B)1/3

C)1/6

D)1

PrecalculusAnswered question

Leo Downs 2023-03-13

" Compound interest on ₹ 18,000 for $2\frac{1}{2}$ years at 10% per annum, compounded annually is

A) ₹ 4,900

B) ₹ 4,749

C) ₹ 4,869

D) ₹ 4,722"

A) ₹ 4,900

B) ₹ 4,749

C) ₹ 4,869

D) ₹ 4,722"

PrecalculusAnswered question

uelhonai3 2023-03-07

In a family of 3 children, find the probability of having at least one boy.

PrecalculusAnswered question

Dylan Chandler 2023-03-06

If $A$ and $B$ are two independent events such that $P\left(B\right)=\frac{2}{7}$, $P(A\cup B\text{'})=0.8$, then $P\left(A\right)$ is equal to...

PrecalculusAnswered question

Guadara0c2x 2023-02-25

How many 3-digit numbers are there, with distinct digits, with each digit odd?

PrecalculusAnswered question

Ravottidsvx 2023-02-21

The possibility of something happening or not happening is called probability. True or False

PrecalculusAnswered question

tisanurnr9c 2023-02-19

A bag contains 5 red marbles and 3 black marbles. Three marbles are drawn one by one without replacement. What is the probability that atleast one of the three marbles drawn be black, if the first marble is red?

PrecalculusAnswered question

fagiolinow8xk 2023-02-18

What is the difference between at least one head and at most one head in probability?

PrecalculusAnswered question

Gorjamskiw 2023-02-16

Which equation represents the line that passes through the points (6,-3) and (-4,-9)?

PrecalculusAnswered question

Maxim Padilla 2023-02-16

What is the exact value of $\mathrm{sin}60-\mathrm{cos}60$?

PrecalculusAnswered question

markezop78 2023-02-15

Two cards are drawn successively with replacement from a pack of $52$ cards. The probability of drawing two aces is A$\frac{1}{169}$ B$\frac{1}{221}$ C$\frac{1}{2652}$ D$\frac{4}{663}$

PrecalculusAnswered question

Erica Lin 2023-02-13

Why does probability have to be between $0$ and $1$?

PrecalculusAnswered question

deblima0gm 2023-02-10

Sweet T noticed the ratio of long boards to short boards was 1:4. If there were 35 surfboards at the beach, how many were short boards?

PrecalculusAnswered question

Seamus Livingston 2023-02-02

A jar contains 10 red marbles, 5 blue marbles, and 15 yellow marbles. All marbles are of the same shape and size and are equally likely to get picked. Find the probability of drawing a blue marble and then drawing a yellow marble randomly. A. $\frac{15}{58}$ B. $\frac{5}{29}$ C. $\frac{5}{58}$ D. $\frac{15}{29}$

Even though it is always placed into the field of Precalculus, probability and combinatorics problems are more related to analytics and statistical information that many students implement as they are working with the accuracy of their research data. It is one of the reasons why finding good probability combinatorics examples is both complex and not. It is good to have a look through probability combinatorics questions as these will provide you with the answers and help understand how equations work and why possible outcomes are vital for understanding how the calculation takes place.