Two aeroplanes bomb a target in succession. The probability of each correctly scoring a hit is 0.3 and 0.2 respectively. The second will bomb only if the first misses the target. Find the probability that (i) target is hit (ii) both fails to score hits.

Q: Two owners of a cattle ranch, Robert and Val, want to find the average weight for the ranch's 200…

A:

Q: The sample space of a random experiment is the set of positive real numbers, S={x|x>0}. Define…

A: Given  Sample space of random experiment is a set of positive real numbers.the events A and B are…

Q: In one town, the number of burglaries in a week has a mean 28. Let X denote the number of burglaries…

A:

Q: The sample space of a random experiment is the set of positive real numbers, S={x | x>0}. Define…

A:

Q: Question 3: Conditional probability, Bayes' theorem In a fruit juice company, machine A (crusher)…

A:

Q: Let X and Y be independent random variables with gamma distributions, T(3,2) and (4,2),…

A:

Q: In a class of 18 students there are 11 math majors and 7 computer science majors.   Four students…

A: The provided information is  Total students are =18 Math students is =11 Computer science=7 The…

Q: Ona multiple choice test with 5 questions, each question has three possible answers, one of which is…

A: Answer : -  Given,  n = 5  questions, each question has three possible answers,…

Q: probability of t side a sphere of radi side a cube of length ide

A: Given: point X=(X,Y,Z) Radius=1

Q: a) the probability that the time to detect the next piece of debris is less than 3 minutes. b) the…

A:

Q: An industrial plant wants to determine which of two types of fuel gas or electric will produce more…

A: As Prof. N. G. Das said "A hypothesis which is tested for plausible rejection is called the Null…

Q: 99 coincidence interval Group of 19 Radom selected students Mean Age 22.4 Standard dievatuon 3.8

A: Given, Mean = 22.4 Standard deviation = 3.8 n = 19

Q: If a multiple-choice test consists of 5 questions each with 4 possible answers of which only one is…

A: Solution Given That, if a multiple choice test consists of 5 questions each with 4 possible answers…

Q: In a hospital you are doing a study of queues in the medicine withdrawal area. By analyzing the…

A: Given data: Average rate = 36 people per hour To find: The probability that more than 6 people…

Q: For the statement below, write the claim as a mathematical statement. State the null and alternative…

A: Given that  Population mean μ =5

Q: The 30 The probability of event A occurring is. The probability of events A and B occurring is 30°…

A:

Q: a) Calculate the missing values. b) Produce the probability table. c) What is the probability that…

A: The provided information is      Northeast South Midwest West Total Low 57 42 36 12 147…

Q: Draw a normal curve representation for the area…then find the numerical value of the area under the…

A: a) The mean and variance of standard normal distribution are 0 and 1, respectively. The numerical…

Q: A company makes electronic comp TV's. 87% pass final inspection. 110 are inspected in one day. What…

A: It is given that the company makes electronic components for TV. 8% pass final inspection. It means…

Q: Situation 9. Suppose that X has a lognormal distribution with parameters 8 = -2 and 0²=9. Determine…

A: Lognormal distribution         A lognormal distribution could be a continuous probability…

Q: In a fruit juice company, machine A (crusher) produces 45%, Machine B (juice extractor) produces…

A: We have to given that,  Machine A, B, and C are did work 45% , 30% and 25% of total work…

Q: At a certain gas station, 65% of the customers use regular gas, and all the other customers use…

A: Given Information: 65% of the customers use regular gas. Of those only 30% fill their tank.…

Q: A Certain fund company offers its customers a variety of funds. The percentages of customers in the…

A: a. Given that the percentage of customers' bonds is, the intermediate bond is 18%, the long bond…

Q: ose the heights of 18-year-old men are approximately normally distributed, with mean 69 inches and…

A: Here, μ=69 and σ=5. (a) The probability that an 18-year-old man selected at random is between 68 and…

Q: In a certain city district, the need for money to buy drugs stated as the reason for 61% of all…

A: Given,n=5p=0.61q=1-0.61=0.39A random variable X~Binomial(n=5 , p=0.61)P(X=x)=Cx5 0.61x0.395-x  ;…

Q: In a game played with dice, Ali or Bob is selected with a probability of and 2, respectively. The…

A: Given that in a game played with throwing a four sided dice twice, Ali or Bob is selected with a…

Q: A random experiment is to draw one pencil at random from a box with 10 pencils of which 2 is red, 3…

A: GivenNo.of red pencils=2No.of blue pencils=3No.of yellow pencils=4No.of black pencils = 1Total no.of…

Q: Kilie is an avid collector of action figures based on superhero movies. She has been tracking the…

A: Given datakilie is an avid collector of action figures based on superhero movies

Q: In the game of "Between," two cards are dealt from a standard deck and not replaced. You then pick a…

A: Event is the happening of an favorable situation. Event includes all the possible observation of the…

Q: Provide a reasonable description of the sample space for each of the random experiments. There can…

A: The objective is to provide a description of the sample space for each of the given experiments. A…

Q: Suppose that X has a continuous distribution with the following probability density function f(x)=…

A: Continuous probability distribution

Q: Problem 7. Suppose there are 6 restaurants in Statsville. Non-discerning foodies Alice and Bob like…

A: Probability that Bob dislikes every restaurant= 1/2 Probability that Alice dislike every restaurant…

Q: I am wondering if we got all the numbers in the numerator. Could there be other numbers. I am…

A: Yes you are correct that in previous method all numbers were not included in numerator and also in…

Q: A random sample of size 25 is taken from a normal population having a mean of 75 and a standard…

A:

Q: The overhead reach distances of adult females are normally distributed with a mean of 202.5 cm and a…

A:

Q: at k ( k) = n(k-₁) fo 1) for in

A: To prove, knk=nn-1k-1

Q: Two baseball teams, A and B, have the same capacity and play a series of four games against each…

A: Given information:- Two baseball teams, A and B, have the same capacity and play a series of four…

Q: D B E A

A: Here we want to know degrees of vertex D.

Q: A friend of mine is giving a dinner party. His current drinks include 6 bottles of Cola, 7 bottles…

A:

Q: Let X and S² be associated with a random sample of size n=16 from a distribution N(μ,0²). Find the…

A: According to the question, X̄ and S2 are associated with a random sample of size n = 16 drawn from…

Q: Let the joint p.m.f p(x, y) of (X,Y) be given by the following: (a) Compute (i) (ii) (iii) -1 X 0 1…

A: Note: According to Bartleby guidelines expert solve only one question and maximum 3 subpart of the…

Q: Twelve teachers are to be assigned to three schools. In how many ways can this be done if: a…

A: Given data Twelve teachers are to be assigned to three schools.

Q: When playing basketball, Dwight makes 80% of his free throws. In a recent game Dwight attempted 30…

A: Given data when playing basket ball Dwight makes 80% of his free throws in a recent game Dwight…

Q: Multiple Choice Question1, A A friend of mine is giving a dinner party. His current drinks include 6…

A: Given: 6 = cola bottles 7 = orange juice bottles 4 = apple juice bottles Total bottles  = 6 + 7 + 4…

Q: The cumulative distribution function F of a discrete random variable X is given by: (0 if x < 0 1 if…

A:

Q: A gardener plants 26 tomato seeds from a packet of seeds that guarantees an 85% germination rate.…

A: Consider X denotes germination rate which follows binomial distribution with n=26 and p=0.85.

Q: How to find Confidence intervals

A: According to the given information in this question We need to identify the steps that how to find…

Q: Mildred rolls the dice 300 times. Approximately how many times it will be

A: Given information: Total no. of rolls=300favourable outcomes={3,4,5,6}

Q: The A event is defined on a sample space S. Which of the following is always true? O a. A'=A O b.…

A:

Q: In 1936, the cost of a Hershey's chocolate bar was 5 cents. In 1980, the cost of a Hershey's…

A: