Students in a math class where 40% are males and 60% are females took a test. 50% of the males and 70% of the females passed the test. What percent of students passed the test? * 62% 40% 60% 70%

Q: Q1 Three friends and six other people are randomly seated in a row. What is the probability that the...

A:

Q: A geneticist conducts an experiment with peas, one sample of offspring consisted of 443 green peas a...

A:

Q: x, 1. P(X = x) = if x E {1,2} 0,otherwise x², if x e {1,2,3,4and 5} 2. P(X = x) = 5 0,otherwise if x...

A:

Q: Components of a certain type are shipped to a supplier in batches of ten. Suppose that 48% of all su...

A: Given information: P(B0) = 0.48 P(B1) = 0.32 P(B2) = 0.20

Q: Example 2.4. For a = 0,2 and y = -2,-1, let the joint pmf of X and Y be defined by fx,y(r, y) = c(x²...

A: Solution

Q: A.MI., and 2 P.M. They arrive at 8:04 A.M., 9:10 A.M., 9:52 A.M., 10:56 A.M., 11:55 A.M., 1:10 P.M.,...

A:

Q: An urn contains 5 tiles, each containing one of the numbers from 1 to 5. An experiment consists of s...

A:

Q: A certain production process produces items that are 10 per cent defective. Each item is inspected b...

A:

Q: A normally distributed population has a mean of 425 and a standard deviation of 80. a. Determine the...

A:

Q: Consider the system of components connected as in the accompanying picture. Components 1 and 2 are c...

A:

Q: Question: Assume that defaults in a large bond portfolio follow a Poisson process. The expected numb...

A: Let X denote the no.of defaults in a large bond portfolio and it follows a poison process  Consider ...

Q: probability that no row or file contains more than one rook.

A: Here given there are total 8 rook And total square in 8×8 chess board is 64 Here use concept of arra...

Q: upper bound to the probability that the child’s time playing video games on a given day will exceed ...

A:

Q: Suppose that X, Y, and Z are jointly distributed random variables, that is, they are defined on the ...

A: Given E(X)=-8, E(Y)=9, E(Z)=2, V(X)=24,V(Y)=19, V(Z)=45   

Q: n people drop their cell phones in a box, then randomly pick their cell phone by putting their hands...

A: Given : n people drop their cell phones in a box, then randomly pick their cell phone by putting the...

Q: For the following problem, select all answers that are correct. Under certain conditions, minimizing...

A: @solution:::

Q: A probability experiment consists of rolling a six-sided die and spinning the spinner shown at the r...

A: Given six sided die and spinner, P(less than 4 and landing on blue) = ? Determine whether event usua...

Q: Round all answers to 4 decimal places. a. A bag contains 9 white marbles, 5 blue marbles, and 8 yell...

A:

Q: coin is toss untill a Tail appears twice in a row.

A:

Q: Find the expected value for the random variable. 9. 12 15 18 21 P(z) 0.11 0.25 0.39 0.16 0.09 E(z) =...

A: Formula : E(z) =  Σz * p(z)

Q: Suppose that F and X are events from a common sample space with P(F) # 0 and P(X) #0. Prove that PX)...

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per th...

Q: stand in a row, what is the probability that there will be exactly 3 men between A and B ?

A:

Q: The following gambling game, known as the wheel of fortune (or chuck-a-luck), is quite popular at ma...

A: There are four distinct outcomes when three dice are rolled-zero, one, two, and three occurrences of...

Q: 17. A five figure number is formed by the digits 0, 1, 2, 3, 4 (without repetition). Find the probab...

A:

Q: A probability experiment consists of rolling a twelve-sided die and spinning the spinner shown at th...

A:

Q: How the following equation is calcluated?   I want to know how to calculate p(AIE1) The original ...

A: Given that 

Q: Z,, Z2, .. is a random sample of N(0,1), find the ution of Y = E,(2, – 2)²

A:

Q: 3. The probability that a printer produces 0, 1, 2, 3, and 4 misprints are 15%, 22%, 10%, 38% and 15...

A:

Q: An urn contains 4 white balls and 2 red balls. A second urn contains 8 white balls and 1 red ball. A...

A: We have given that,  For first urn :- White balls = 4  Red balls = 2 For second urn :- White balls =...

Q: Solve the problem. Supply and demand functions, S(X) and D(X), are given for a particular commodity ...

A: Correct option is 1st   

Q: meeting. In how many ways can 7 among them be seated on a row of 7 seats?

A: there are total 12 persons here use permutation  

Q: A random sample of 700 units from a large consignment showed that 200 were damaged. Find (i) 95% and...

A: A

Q: Crunchy Biscuits produces golden cream biscuits which are sold in packets. The weights of these pack...

A: Given that: Mean (u) = 320 g σ   = 10.4 g X follow standard normal distribution P(318< x < 325...

Q: You roll two six-sided fair dice. a. Let A be the event that the first die is even and the second is...

A: Ans# -Given two six sided dice are roll then                    Sample space (S) = {(1,1), (1,2), (1...

Q: 1. What is the chance that a leap year selected at random will contain 53 Sundays? Ans: 2/7 2. A box...

A:

Q: A firm has two cars which it gives on rent every day. Average demand of car is 1.5 per day. Using Po...

A: Given,The Average demand of car (λ)=1.5 per dayA random variable X~Poisson(λ=1.5)P(X=x)=e-1.5 1.5xx!...

Q: How many possibilities are there for the win, place, and show (first, second, and third) positions i...

A:

Q: Determine whether the following can serve as the probability distribution of a random variable X. 1....

A: We have to find wheather given distribution is valid pdf or not. 

Q: Anews service conducted a survey of 1049 adults ages 18 years or older in a certain country. August ...

A: Given, The results of a survey, On the basis of the results, we need to say the research objective, ...

Q: Keiko is playing a game in which she spins a spinner with 6 equal-sized slices numbered 1 through 6....

A:

Q: An airline reports that 94% of its flights arrive on time. What is the probability that a flight wil...

A: P(flight arrive on time) = 94% P(flight will be late) = ?

Q: In a city, if the probability that 40/100 of the citizens have brown hair and that the probability o...

A: Let A be the event that a citizen have brown hair and B be the event that a citizen have brown eyes ...

Q: an event. To make sure he doesn't run out, he plans to bring more of the size most likely to be sold...

A:

Q: Suppose that a category of world class runners are known to run a marathon (26 miles) in an average ...

A: We have given that.   X~N( μ , ?^2 )   μ = 148, ? =13 , n= 49   Z-score =( x - μ )/?   NOTE:- Accord...

Q: 3. The number of incorrect answers on a true-or-false mathematics proficiency test for a random samp...

A: Given that  The data are 3,3,5,6,1,2,1,4,4,5,1,3,2,5,4,4,5,1,2,3 Sample Variance =(∑X2+(∑X)2/n)/(n-1...

Q: You repeatedly roll fair dice. If the dice comes up 6, you instantly win and stop playing. However, ...

A:

Q: A pair of dice are rolled. Let X be a random variable that denotes the sum of the number of dots tha...

A: Here Given  Pair of dice are rolled  So Total Possible number of Outcome=6×6=36 

Q: A grouped frequency distribution shows the scores by grouping the observations into intervals and th...

A: Given information: A grouped frequency distribution shows the scores by grouping the observations in...

Q: 1. You need to put your 4 huskies in a single - file line to pull your sled. However the 2 are best ...

A: Since you have asked multiple question, we will solve first question for you. If you want any questi...