#mathematics

A ball is selected at random from a box holding 6 red,5 white and 4 black balls.what is the probability that the ball is red or black?

Two balls are drawn (drawn replacement) from a bag containing 12 red, 3 white and 1 blue balls.what is the probability that both are red?

Two balls are drawn (with replacement) from a bag containing 12 red,3 white, and 1 blue balls?

Two dice numbered 1 to 6 are thrown together and their scores are added.The probability that the sum will be 4 is?

Which of these numbers cannot be a probability? -0.00001,1.001 and 20%?

Two disc are randomly taken without replacement from a bag containing 3 red disc and 2 blue disc.what is the probability of taking 2 red disc?

An event has a probability of 0.05.What assumption can we make about the event?

A coin is tossed three times. The probability of getting a head is?

The probability of an event poccuring is 0.35. The probability of an event not occuring is?

Seven people sit in a circle.How many ways can this be done if two people A and B sit together?

How many different arrangements of the word MATHEMATICS are possible if there are no restrictions?

A teacher wants to award prizes for 1st,2nd, 3rd,4th, and 5th in a class of 30. In how many ways can the prizes be awarded (assume no two students tie)?

You want to choose a fund raising committee of 5 people from 7 men and 8 women.How many ways can this be done?

There are 10 boys and 11 girls at a school. How many different ways can the boys each choose a girl to take to the formal?

A school head wants to randomly choose 5 people from the staff of 30 to help out at the open day BBQ. In how many ways can this be done?

A committee of 5 is to be chosen from 4 men and 6 women.In how many ways can this be done if the committee consists of women only?

Find the number of ways of arranging 5 people in a line?

What integer is equal to 5! X 2! ?

A ice-cream shop offer 3 type of cones and 5 different flavours of ice-cream.How many possible ice-cream cone combination are there?