There are four mammals (one dog and three cats) and three reptiles (one snake and two turtles) on sale at a drastic discount at the local pet store. What is the probability that the first two animals...

There are four mammals (one dog and three cats) and three reptiles (one snake and two turtles) on sale at a drastic discount at the local pet store. What is the probability that the first two animals...

Two baseball teams are in the World Series, first team to win four games ends the series. Team A has won 2 games and team B has won one. If the probability of team A winning any one game is .6 (60%)...

A population of snakes have total lengths: 7cm, 5cm, 10cm, 13cm, and 9cm. If two snakes are selected at random without replacement (order does not matter), what is the probability that...

I've been working on this for 2 days and can't get the right answer can someone please help! The Centers for Disease Control (CDC) estimates that 0.2% of Americans have AIDS. The HIV-1...

The Centers for Disease Control (CDC) estimates that 0.6% of Americans have AIDS. The HIV-1 tests correctly diagnose the presence of HIV in 99% of the persons who have it and correctly diagnose its...

Assume that events A and B can only occur during the first stage of an experiment, and events C and D can only occur during the second stage of the experiment. Pr[π΄] = 0.75 Pr[πΆ|π΄] = 0...

there are 4 cups. each cup holds 1 black ball and 1 white ball. you draw one ball from each cup. what is the probability of drawing at least one black ball?

f you are dealt 4 cards from a shuffled deck of 52 cards, find the probability that all 4 cards are diamonds.

A group consists of six men and seven women. Six people are selected to attend a conference. a. In how many ways can six people be selected from this group of thirteen ? b. In how many ways...

At a factory that produces pistons for cars, Machine 1 produced 567 satisfactory pistons and 243 unsatisfactory pistons today. Machine 2 produced 810 satisfactory pistons and 90 unsatisfactory...

Its bery difficult questions

A city council consists of six Democrats and eight Republicans. If a committee of seven people is selected, find the probability of selecting four Democrats and three Republicans.

If you are dealt 4 cards from a shuffled deck of 52 cards, find the probability of getting three queens and one king?

I need to also find P(blue and red) P(white and blue) P(red and white)

two coins and one six sided number cube are tossed together. what is the probablilty of getting two heads and a four that

A short multiple choice test has four questions. Each question has five choices, exactly one of which is right. Willie Passitt has not studied for the test, so he guesses answers at random. What is...

In addition, a technical indicator shows an 85% chance. Obviously, if I multiply the two percentages, the product will be a percentage below both, and that can't be true. What formula should be used...

A city council consists of six Democrats and eight Republicans. If a committee of seven people is selected, find the probability of selecting four Democrats and three Republicans.

Let's say I want to find P(A,B,C). I know that this is equivalent to P(A) * P(B|A) * P(C|B,A). If I already know P(A) and P(B|A), how can I find P(C|B,A)? When I try to use the conditional probability...

Suppose two real numbers, b and c, are randomly drawn from the interval [-1,1]. In each case, any real number in the interval is as likely to be chosen as any other, and it is possible for the two...

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