d marbles and 18 blue marbles.  You reach in and pick 4 marbles at random (without replacement).  What are the chances they are all red?  Write your answer as a decimal rounded to 3 decimal places.

Q: The percentage of students passing exam is 20% (assume every student takes the test). You randomly…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: What is the probability that a number is divisible by 4?

A:

Q: The probabilities that a student will receive an A, B, C or D grade are 0.4, 0.3 0.2 and 0.1…

A: From the provided information, The probability distribution table for grades can be constructed as:…

Q: Topic Binomial and Poisson probability distribution Show development for the solution Given the…

A:

Q: is distributed as a standard normal variable. Given the following probability, find the z…

A: given data, z is distributed as a standard normal variable x~N(0,1)value of  a such that…

Q: During a coexistence of Universities, a race was held between a runner from the UTP and one from the…

A: By classical definition of probability, the probability of an event is the ratio of the number of…

Q: Suppose that an employee at a local company checks his watch and realizes that he has 10 minutes to…

A: Given The following table displays the probability that he is stopped by each of the three traffic…

Q: A total sample space is the set (1, 2, 3, 4, 5, 6, 7, 8, 9, 10). If A is (1, 2, 4, 5, 8, 9) and B is…

A: Dear student,  If you find this solution helpful please upvote it. The solution is given below :

Q: You roll an ordinary six-side die once and then you toss a coin. Which of the following pairs of…

A: Given the random experiment that rolling an ordinary six-side die once and then toss a coin.

Q: Nucleotides are the chemical components of DNA. There are 4 kinds of nucleotides (named for the…

A: given data  4 kind of nuckeotides : {A,G<C,T} codon is DNA that contains 3 nucleotides  P(codon…

Q: Determine the probability of drawing an ace from a full pack of cards.

A:

Q: If an unbiased dice is rolled once, the odds in favour of getting a point which is multiple of 3 is:

A: If an unbiased dice is rolled once, the odds in favor of getting a point which is multiple of 3.

Q: The air control informs the pilot of an aircraft about the altitude of the centre of the air…

A: Given problem Given that   The air control informs the pilot of an aircraft about the altitude of…

Q: I would like to ask why you subtracted 3-3 for question a should be 0?

A: From given data we have : mean μ=3Standard deviarion σ =2

Q: In a throw of a coin, find the probability of getting a head.

A:

Q: om variable "Z" is distributed N(0,1). Find Pr(Z < 0.21). Enter your answer as a decimal rounded to…

A: given data, random variable 'z' is distribued N(0,1)μ=0σ=1we  have to find out the p(Z&lt;0.21)=?

Q: The probabilities that a student will receive an A, B, C or D grade are 0.4, 0.3 0.2 and 0.1…

A: From the provided information, The probability distribution table is as follow: Grade A B C D…

Q: b. Construct a probability histogram for the sampling distribution of x. Choose the correct…

A: From solution : Mean Probability 3 0.09 3.5 0.18 4 0.21 4.5 0.24 5 0.16 5.5 0.08 6…

Q: Let X = the time between two successive arrivals at the drive-up window of a local bank. If X has an…

A: Given If X has an exponential distribution with  = 1 which is identical to a standard gamma…

Q: 6.14. An ambulance travels back and forth at a constant speed along a road of length L. At a certain…

A:

Q: In a certain class of 40 students, 8 students have a dog, 14 students have a cat, and 1 students…

A: General formula of probability is ,  Probability = Number of favorable outcomes Total outcomes

Q: The investor chooses between shares of 20 companies, 8 of which are insurance companies, 5 are legal…

A: Given: total companies=20 number of insurance company=8 number of legal companies=5 number of…

Q: b. During its normal (useful) life, find the probability that the product fails before 600 thousand…

A: The product’s time till failure is uniformly distributed over the range of 200 thousand to 1 million…

Q: 6.15. The random vector (X, Y) is said to be uniformly distributed over a region R in the plane if,…

A:

Q: A gas supplier maintains a team of Engineers who are available to deal with leaks reported by…

A: The following information has been provided: Let X be a random variable represents the time…

Q: Suppose the JPDF of X, Y is…

A:

Q: ) A bridge hand is made up of 13 cards from a deck of 52. Find the probability of a hand with 6 of…

A: select 13 cards from 52 card deck.  P(six cards of one suit,4 of another suit and 3 of another suit)…

Q: 7. We consider case-sensitive alphanumeric passwords (there are 62 possible characters). (a) How…

A:

Q: max (a) A structure consists of 100 column footings. Suppose the settlement of each footing is…

A:

Q: Familywise

A: Type I error is the probability of rejecting the null hypothesis given that it is true.

Q: For the rest of the problems in this section, decide whether to use permutations or combinations.…

A: Given: Number of yellow marbles=3 Number of white marbles=4 Number of blue marbles=9 Total number of…

Q: The histogram to the right shows the number of books read by 22 people in a book club over a 3-month…

A:

Q: In a simultaneous throw of two dice, what is the probability of getting a total of 7 ?

A: The sample space in the simultaneous throw of two dice is : S={(1,1) (1,2) (1,3) (1,4) (1,5) (1,6)…

Q: Suppose we want to choose 6 colors, without replacement, from 9 distinct colors. (a) If the order of…

A: Given that, The number of colors is chosen is, r = 6 The total number of colors is, n = 9

Q: Suppose we want to choose 2 objects, without replacement, from the 4 objects pencil, eraser, desk,…

A: (a)   Determine the number of ways of selecting 2 objects from the 4 objects.   The number of ways…

Q: Note: In this problem set, the notation C(n, k) is used for the combination "n choose k." Alternate…

A: Given,no.of black jelly beans=5no.of red  jelly beans=1no.of yellow  jelly beans=3Total no.of  jelly…

Q: Consider drawing a 5-card hand from a standard 52-card deck (note that there are four suits: spades,…

A: In each suit(spade, club, diamond, heart) there are 13 cards. The all possible number of ways in…

Q: (a) Find an example in the news of a situation involving probability where you can identify at least…

A: Part(a)https://www.usatoday.com/story/news/nation/2022/11/09/first-blizzard-snow-north-south-dakota-…

Q: 16.) In a small preliminary drug trial, 5 people are given version A of the medication, 5 people are…

A: Given data: 5= people are given version A of the medication. 5 = people are given version B, and 5…

Q: An unbiased die is rolled. Find the probability of getting a multiple of 3?

A:

Q: A shipment of 120 burglar alarms contains 5 that are defective. If 3 of these alarms are randomly…

A:

Q: eenage boys often complain that auto insurance costs more, on average, for teenage boys than for…

A: Given, Parents of teenage boys often complain that auto insurance costs more, on average, for…

Q: A researcher aims to assess the associative impact of coffee consumption on death rates from heart…

A: Let us denote X=yearly coffee consumption in litres and Y=Death from heart diseases.   X Y 2.5…

Q: A movie site investigates the types of movie their customers buy, they record the cus- tomer's age…

A:

Q: For two events, A and B, P[A] is; P[B] is and P[AB] is g. Determine the values of: P[AB]; P[AUB];…

A: It is given that P(A) = 1/2, P(B) = 1/4, P(A ∩ B) = 1/8

Q: a. Frosted Flakes: 11 grams of sugar z= type your answer.... b. Apple Jacks: 14 grams of sugar z=…

A: Here given , Mean = 7.6  Standard deviation  = 4.5

Q: A certain city has one morning newspaper and one evening newspaper. It is estimated that 20% of the…

A: Let M=a house hold subscribes morning paper E= a house hold subscribes evening…

Q: A couple decides to have 4 kids. Assume that each child has an equal chance of being a boy or a girl…

A: Dear student, If you find this solution helpful please upvote it. The solution is given below:

Q: 1. How many one-one functions are there from a set with m elements to a set with m elements?

A: Note: Hi! Thank you for the question. As you have posted two independent questions, according to our…

Q: You roll an ordinary six-side die once and then you toss a coin. Which of the following pairs of…

A: Given data you roll a ordinary six-sided die once and then you toss a coin.