Question

Let X denote the random variable that gives the sum of the faces that fall uppermost when two fair dice are rolled. Find P(X = 9). (Round your answer to two decimal places.)

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Math
Probability

Basic Probability

Related Probability Q&A

Find answers to questions asked by students like you.

Q: Seven Olympic sprinters are eligible to compete in the 4 x 100 m relay race for the USA Olympic team...

A: The permutation of size r with n possibilities is calculated as follows,                            ...

Q: BE SURE TO USE A TI 84 CALCULATOR AND SHOW ALL STEPS/ COMMANDS USED. Conduct a hypothesis test showi...

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any ...

Q: “ You are dealt five cards from a standard deck of 52 cards. How many of these handshave at least on...

A: Dealt five cards from a standard deck of 52 cards these hands have at least one queen and at least o...

Q: Suppose a random sample of size 44 is selected from a population with σ = 11. Find the value of the ...

A: Click to see the answer

Q: A baseballer rikes out 47% of the batters he faces (that is, the probability that he strikes out any...

A: Given information: P(strike) = 0.47 a) x = 81 n = 180 By applying binomial distribution:- P(x,n)= nC...

Q: Yhmeer is watching a shower of meteors (shooting stars). During the shower, he sees meteors at an av...

A: Click to see the answer

Q: 4. In rolling a die repeatedly, what is the probabilıty that 1 appears for the first time on the 4th...

A: Probability of success is 16. Probability of failure is 56. Determine the probability that number 1 ...

Q: An electric company has been selling a bulb, which was advertised as having an average life of 1, 50...

A: Click to see the answer

Q: 11

A: The probability of not growing a plant= 1- P(Grow) = 1 - 0.65 = 0.35 Given: n =2 x=2 In this case, t...

Q: The times for a particular journey during rush hour in a certain city have a mean of 23.3 minutes an...

A: Note: Hi there! Thank you for posting the question. As there are several independent questions, acco...

Q: Find the conditional probability of the indicated event when two fair dice (one red and one green) a...

A: Given: Two fair dice red and green are rolled. The objective is to find the conductional probability...

Q: Please show full solution and explanation. Thanks

A: The given data: Player A wins if the number on the first spinner is greater than the number on the s...

Q: 58

A: The number of females is 24, the number of students got an A is 29 and the total number of students ...

Q: Find the minimum sample size n needed to estimate μ for the given values of c,o, and E. c = 0.98,o =...

A: Click to see the answer

Q: How many ways are there to pack ten identical moon cakes into three indistinguishable boxes so that ...

A: Given: n=10 packs.  

Q: A computer manufacturer estimates that its line of minicomputers has, on average, 7.4 days of downti...

A: Mean of the minicomputer's line is μ=7.4 days. The sample mean is x¯=4.4 days. The size of the sampl...

Q: A group has 10 men and 7 women. If 6 people are selected for a committee so that the majority of the...

A: Total number of people are 10+7=17 For the committee to be made with majority women, number of women...

Q: Nine balls are distributed among four boxes randomly. Calculate the probability that one of the boxe...

A: Total number of items= 9 We can distribute 9 balls among four boxes in 4.4.4.4.4.4.4.4.4 = 49 ways. ...

Q: A factory manufactures car tyres that have an average lifetime of 45256 kilometers with a standard d...

A: Solution: Let X be the lifetime of the tyres. From the given information, X follows normal distribut...

Q: If 9 cards are dealt from an ordinary deck of 52 playing cards, what is the probability that exactly...

A: Solution: A standard deck of 52 playing cards contains 4 kings and 52–4=48 are non-kings. Here, 9 ca...

Q: Suppose you are a lawyer representing a Hispanic individual in a criminal trial. Twelve jurors are r...

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are sol...

Q: A company has a new process for manufacturing large artificial sapphires. In a trial run, 37 sapphire...

A: Given, n=37 x¯=6.75 s=0.33 μ be the mean weight for the distribution of all sapphires produced by th...

Q: d.

A: The total number of sectors in the spinning tool is known as 10. In the given spinning tool, there a...

Q: Suppose we are able to model the total utility function for the consumption of two goods, good x and...

A: Given Utility Function :  U(x, z) = 3x2 + z2 - 2xz Px = Py = $1 Total Income = $1000

Q: A sample of 100 students is to be taken to determine which of two brands of beer is preferred in a b...

A: Let p be the proportion of people in the general population that prefer brand A to B. As it is given...

Q: A computer password must be eight characters long. How many passwords are possible if only the 26 le...

A: Click to see the answer

Q: 30

A: The formula for class width is given by, the distance between lower limits for consecutive classes. ...

Q: 21

A: As per our guidelines, we are allowed to answer three sub-parts only   (1) Let X represents the Numb...

Q: In the early twentieth century, proponents of the Second Viennese School of musical composition (inc...

A: The total number of row of pitches is 12.

Q: It is known that 25% of students in a particular village are smokers. A random sample of 20 of the s...

A: Click to see the answer

Q: In how many ways can first, second, and third prizes be awarded in a contest with 210 contestants?

A: There are a total of 210 contestants. Remember that the same person cannot receive more than 1 prize...

Q: The table below gives the probability distribution of a discrete random variable X 1 2 4 5 6 1 17 19...

A: GIVEN DATA : The probability distribution of the discrete random variable X TO FIND : (a). Value of...

Q: What is the confidence level for the interval x±1.645 ? Vn

A: Click to see the answer