In how many ways can 3 students from a class of 16 be chosen for a field trip?

In how many ways can 3 students from a class of 16 be chosen for a field trip?

A jury has 12 jurors. A vote of at least 10 of 12 for "guilty" is necessary for a defendant to be convicted of a crime. Assume that each juror acts independently of the others and that the...

A ball is drawn randomly from a jar that contains 6 red balls, 2 white balls, and 5 yellow balls. Find the probability of the given event. a. A red ball is drawn b. A white ball is drawn...

Compute the probability of a six-sided die getting an even number.

A board game uses the deck of 20 cards. Two cards are selected at random from this deck. Calculate the probability that both cards selected have a lion, both with and without replacement

What is chance of getting heads from 20 pennies taped together

A meeting takes place between a diplomat and fourteen government officials. However four of the officials are actually spies. If the diplomat gives secret information to ten of the attendees at random,...

A bag contains 3 red marbles and 4 green marbles. A blind folded student selects 2 marbles. Find the probability that both marbles they will be of i) the same colour ii)a different...

You have identical 30 balls; 5 black, 10 purple, 15 orange balls in a box. Q1.If we take a ball, we make a mark on it and put it back to the box. We take one ball at a time. What is...

A bag contains 3 red marbles and 4 green marbles. A blind folded student selects 2 marbles. Find the probability that both marbles they will be of i) the same colour ii)a different colour These...

A bag contains 3 red marbles and 4 green marbles. A blind folded student selects 2 marbles. Find the probability that both marbles they will be of i) the same colour ii)a different colour These...

Let A and B be independent evnets where P(A)=0.3 and P(B)=0.6 Find P(AnB) Find P(AuB) Find P(AnBâ€™)

can't understand the meaning of it will be replaced by two marbles o

Say for example I had the unit circle. Then say that I "distribute a unit of probability mass on this circle." I know this means that given any two finite intervals of the same size within...

3 blue marbles, 5 red and 4 green. What is the probability of choosing a red or green marble ?

There were balloons of two different colours(red and violet). If one balloon is sold, he inflates two balloons of the other colour. Suppose he has 'x' red balloons and 'y' violet. From that...

There are 9 students in a class with different heights. 5 students are 150 to 172 cm (mean lies between 150 and 172cm) and 1 student is more than 185 cm. Find the mean and standard deviation. So...

Ten employees randomly drew from 10 cards that were numbered from 1 to 10 to determine which training session they will attend. Those who drew even numbers had a training session before lunch. Those...

1.) You want to find the probability of rolling a sum of 6 on two dice and then rolling a sum of 7 on the next roll. Round to three decimal places. 2.) You are going to draw...

A couple plans to have three children. What is the probability that. a) they have all girls? b) they have at least one boy?