solve by complement I think. Its independent probability I think as well

solve by complement I think. Its independent probability I think as well

this is a math quesion

In a group of 3 Grade 10 students, 3 grade 11 students and 3 grade 12 students. That probability to the nearest hundredth, that exactly 2 grade 10 students will be chosen randomly to be part of a...

a fair dice goes up to five

Window Display: a music store wants to display 3 identical keyboards, 2 identical trumpets, and 2 identical guitars in its store window

there are 15 police officers at a station. i decide to send 8 on patrol, 4 to control road traffic and the rest at the office

i have been asked this problem by many friends and i have yet to understand nor find an answer for it

A random survey was taken of 400 people in a city in the United States. The survey found that the three most common eye colors are brown, blue, and hazel. Out of 400 people in the survey, 167 have...

1. P(and even, then odd) 2. P(8, then greater than 20) 3. P(a multiple of 6, then an even number) 4. P(two odd numbers)

Probability

In a standard deck of 52 playing cards, there are 26 cards that are Black. The remaining cards are Red (not Black). Consider an experiment where the deck is properly shuffled and a single card...

A die is rolled twice. What is the probability of showing a 3 on the first roll and an even number on the second roll?

Suppose that X, Y ~ iid U (0,1). Derive and sketch the density of: (a) R=Y/(1-X) (b) R=Y/(Y-X) In each case, calculate and mark in your sketch the mode (M), median (m),...

So this is something that happened. So I was in a class with 22 people in it. They were each given a number alphabetically for the class. Then he asked a question to a number randomly selected. Let's...

If the four letters did not come from an actual coin, then they can be only chance, specious appearances of the weave. For the "UCAI," each of these four letters first would have to appear...

I am trying to keep a log of how often I win, and if I participate in a 5 round tournament, I want to know my chance for getting 5 wins, 4 wins, 3 wins etc. That is to say, what is the odds of me...

75% of the seniors are going to prom.of those going to prom 50% will have a senior date,30% will have a non-senior date,and 20% will not take a date.what is the ratio of seniors not going to prom...

a question that came up at work. And now is a probLen

1. Major political parties in Australia are Labor, Liberal and Greens. About 10% are thought to be supporting Greens. A survey asked 20 people what party they support. 1) What is the probability...

Order does not matter