a) Write down the expression in terms of x for the probability of getting tails. Uzma throws the coin 200 times b) Write down an expression in terms of x for an estimate for the...

a) Write down the expression in terms of x for the probability of getting tails. Uzma throws the coin 200 times b) Write down an expression in terms of x for an estimate for the...

Finite math probability

Of the 193 member countries of the United Nations, 54 are in the African Group and 23 are in the Eastern European Group. Suppose that a country is selected at random from the members of the United...

I got 7 x 5 x 9/ 9^3 -1/ 9^3 = 34/81 and the teacher said this was wrong. Could someone tell me what the answer is and how they go to it?

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...

Bag A contains 4 green marbles and 4 red marbles. Bag B contains 3 green marbles and 1 red marbles. Two marbles are drawn at random from Bag A and placed in Bag B. Two marbles are then drawn from...

You walk into a room with 4 other people in it. What is the probability that one or more of them has a birthday in the same month as yours? Answer with a percentage rounded to the nearest tenth of...

The joint pdf of a bivariate random variable (X,Y) is given by: fXYf(x,y)=1/(2√3π)⋅e^[-1/3(x^2−xy+y^2+x−2y+1)] , −∞<x,y<∞ Find the means of X and Y. I...

A court system needs to assign 3 out of 8 judges to a roster of criminal cases. 5 of the judges are male, and 3 are female. A) Does the selection of a judge involve a permutation or combination...

A bag contains 16 fake diamonds and 8 real diamonds that are identically shaped. If 5 diam are randomly selected from the bag, what is the probability that 2 are fake and 3 are real?

Any letter or number can be used for a 4-digit password with no repeating. What is the probability that the first two digits are numbers and the second two digits are letters?

4. A factory has two machines. Past records show that machine I produces 20% of the items of output and machine II produces 80 % of the items. Further, 6% of the items produced by machine I were defective...

Suppose that a simple children’s race game is played as follows, using an urn containing some blue balls and some red balls, and a “track” having positions numbered consecutively from 0 to 10. A blue...

Im confused by Steve‘s answer because in my understanding there are only 2 possibilities for a sum of (5) 4,1 or 3,2. So that’s two ways out of 36?

Americans can be quite suspicious, especially when it comes to government conspiracies. On the question of whether the U.S. Air Force has withheld proof of the existence of intelligent life...

Farmer Bob runs a pig farm and currently has as many male pigs as female pigs. Farmer Sue decides to buy two pigs from Bob and sends her son to pick them up, who just randomly grabs two pigs and throws...

It is known that 60% of the voters in a particular electorate support the Liberal party. A sample of 100 voters is taken. Let ˆP be the random variable for the sampling distribution of the sample...

A manufacturer knows that 12 percent of its 200 computer monitors are defective. If 3 monitors are randomly selected, how do I find the probability of the following outcomes? P(1st monitor...

The data Baseball contains information about a team which is using an automatic pitching machine. If the machine is correctly setup and properly adjusted, it will strike 85 percent of the time...

there are two urn 5 red ball and 6 white ball and 3 red ball and 7 red balls respectively if two balls are drawn from first without replacement and transferred to the second urn in then draw...

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