Problem #6: A pollster would like to estimate the fraction p of people in a population who intend to vote for the particular candidate. How large must a random sample be in order to be at least 95% certain that the fraction of the positive answers in the sample is within 0.26 of the true p. answer correct to 2 decimals Problem #6:

Q: On average, Metro Manila is hit by 10 typhoons a year. There is a fifteen percent chance that Metro…

A: It is given that on average Metro Manila will hit typhoons a year by 10.

Q: A certain type of radio tubes lasts on the average of 3 years with a standard deviation of 2.9…

A: Answer:- Given, Population mean, µ = 3 years. Population standard deviation, σ = 2.9 years. Sample…

Q: The life times of interactive computer chips produced by York Semiconductor Manufacturer are…

A: normal distribution μ = 1.4*106 hoursσ = 3*105 hours n = 10 x = life time of chip y = no. of time…

Q: Suppose that the mean daily viewing time of television is 8.35 hours. Use a normal probability…

A: The mean daily viewing time of television, μ=8.35 hours The standard deviation, σ=2.5 hours

Q: x)=1,2,..., 6. lculate the mean and variance of the number o library to a borrower. dom variable…

A: (a) To calculate the mean and variance of the number of books issued by the library to a borrower,…

Q: f X is uniform on [2, 6]. Find a. P(X > 3), b. P(4 ≤ x ≤ 5)

A: X~U(2,6) a=2   , b=6

Q: In a family of two children, what is the probability that both are girls if at least one is a girl?

A: Here, we have to obtain the conditional probability that both the children are girls , when it is…

Q: Here is a bivariate data set. x y 26 139 32 -53 3 130 40 48 59 25 55 23 40 82 27 106 34 143 52 112…

A: The data shows the bivariate data set.

Q: V) Two fair dice are tossed. What is the probability that the sum of the number of dots shown on the…

A: V). Two fair dice are rolled.

Q: 4% of visitors make donations. on a certain day, the museum has 175 visitors. find the expected…

A: The expected number of donations is obtained below as follows:   The conditions for the normal…

Q: Calculate the number of different three cards patterns that a player can play. Calculate the…

A: Here, The number of red cards players have is 3The number of black cards players have is 3 a) The…

Q: You have a bag of 12 candies, 2 each of purple, green and yellow, and 3 each of pink and red.…

A: There is total 12 candies in the bag.

Q: I am being told that the sample size answer of 384 given to me was incorrect. Is there any way this…

A: 12... Margin of error =0.05 At confidence interval 95% we have to find sample size

Q: TOPIC: MARKOV CHAINS A housewife always uses one of three brands of detergent: "A", "B" or "C".…

A: To determine the proportion of time the housewife buys each brand, we can analyze the given…

Q: Compute the mean, median, mode, variance and standard deviation of the following data. An…

A: Wing span in mm Number of insects 15-19 5 20-24 10 25-29 32 30-34 42 35-39 76 40-44 110…

Q: Problem #5: A 2-digit code is obtained as follows. The first digit is a random integer from 0 to 5…

A: A 2-digit code is obtained as follows. The first digit is a random integer from 0 to 5 (inclusive)…

Q: A group of people were asked if they had run a red light in the last year where 188 responded "yes,"…

A: The data is defined below as follows:   From the information, given that   Let S denotes the total…

Q: A director needs 5 students to fill roles in her performance. 8 students, including Justin and Emma,…

A: In the world of theater, casting is a critical process that determines the individuals who will…

Q: subject: Quantitative Analysis For Business Please answer both. Use the image for question 10.…

A: The percentages of site visitors belonging to various age groups, and their preference to positive…

Q: In a certain group of people, it was found that 42% of them have alcoholic fathers, 8% of them have…

A: Note:- "Since you have posted a question with multiple sub parts, we will provide the solution only…

Q: The following table represents the highest educational attainment of all adult residents in a…

A: Given that, A resident is chosen from age 20-29 at random .we have to find probability that they…

Q: For statistics, there 20 Malays, x Indians and 10 Chinese's students in a seminar. Find the value of…

A: There are 20 Malays students There are x Indian students There are 10 Chinese students The…

Q: 15-2 1. DJ Find the probability that a point chosen at random from AK is on the given segment. A B C…

A: According to given information I will answer question 2. Find the probability that a point chosen at…

Q: Work-related accidents at a construction site tend to have a Poisson distribution with an average of…

A: Note:- "Since you have posted a question with multiple sub parts, we will provide the solution only…

Q: Rework problem 28 from section 3.1 of your text, involving the inspection of refrigerators on an…

A: EVENT Probability too much enamel 0.23 too little enamel 0.19 Uneven application 0.35 no…

Q: A market research firm conducted a household survey regarding preferences for three brands of…

A:

Q: The failure times of a computer disk drive are exponentially distributed with a mean of 3000 hours.…

A: To find the probability that the repair cost is more than RM800 in one year, we need to consider the…

Q: Show on two seperate Venn diagrams : P(A U B^d) = 0.9 P(AU B) = 0.6

A:

Q: Let {N(t); t ≥ 0} be a Poisson process with rate parameter 5.2. Find (1) E[N(8) N(3)=5] (ii)…

A: As per our guidelines, we are supposed to answer only 3 sub-parts. i) To find the conditional…

Q: Determine whether the variable is qualitative or quantitative. Explain your reasoning. Postal ZIP…

A: We know that, Quantitative data refers to any information that can be counted or measured and given…

Q: To enter their home the rouse family enters a 6 character code consisting of 4 letters (uppercase of…

A: We have to find 6 character code consisting of 4 letters (uppercase of lowercase) and 2 digits if…

Q: Here is a data set: 54 47 52 68 58 53 59 47 45 49 71 47 74 58 45 55 54 54 60 44 51 59 67 62 78 56…

A: There is total 30 observations.

Q: Can you answer subpart d now that I am using a new question

A: From the given information       n = 100  (number of trials)     P = 0.5 (probability of success)…

Q: A survey is taken in Ms. Smith's math class to find out the students' favorite foods. Out of the…

A: Total number of male=14 Total number of female=16

Q: Intermediate algebra, statistics, and liberal arts math are not needed by STEM majors.  Calculate…

A: here given ,  The following is the enrollment at a university by major. Intermediate Algebra 5%…

Q: What is the probability that the sum of two randomly chosen integers between 20 and 40 inclusive is…

A: The probability of the given example can be determined by using the following formula  P=number of…

Q: 1) find c 2) F(x,y) 3) F(x)

A:

Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

A: Margin of error=0.03 Confidence level=0.95

Q: 5.1. Let X be a random variable with probability density function f(x) = {€ c (x − ²³2) 2 < x < 4 0…

A: The probability density of X has the form:  f(x) = c(x - 3x2)2 &lt; x &lt;40otherwise (a). Find the…

Q: The following function is probability mass function. f(x) = 4x¹, x = 0, 1,2,3,4 Determine the mean,…

A: The given probability mass function is fx=4x+145,      x=0,1,2,3,4.

Q: write the sample space. What is the probability of getting one head and one tail?

A: A coin is flipped twice. Using “H” to denote heads and “T” to denote tails, Total no of outcomes = 2…

Q: An unknown metal has been found and the following experimental results have been tabulated in the…

A: X Y 20 222.3 21.5 246.2 23 258.2 24.5 277.8 26 291.9 27.5 318.1 29 322.3

Q: In a class of students, the following data table summarizes how many students have a brother or a…

A: The probability that a student chosen randomly who does not have sister has a brother is obtained…

Q: How many different ways can these roles be filled from these auditioners? (2) How many different…

A: 13 males audition, one of them being Karthikey, 7 females audition, one of them being Tiffany, and 5…

Q: Suppose X₁, X2, · ·, Xn are independent random variables and have CDF F(x). Find the CDF of Y =…

A: To find the cumulative distribution function (CDF) of Y=min{X1,X2,…,Xn}, we need to consider the…

Q: The dealer's profit, in units of $1000, on a new automobile is a random variable X having the…

A: A random variable X denotes the dealer's profit (in $1000s) on a new automobile. The…

Q: Assume below les have pulse rates of 760 beats per minute and af 1 adult female is randomly…

A: a) Suppose the random variable x defines the pulse rate of females.

Q: The main topic is Markov Chains: Students in Geology class never know what is going to happen in the…

A: This is a problem about Markov chains, which model situations where the next state depends only on…

Q: Let U and R be independent continuous random variables taking values in [0, 1]. We assume that R is…

A:

Q: (1) What probability distribution would you use to describe the number of people who say they prefer…

A: A TV chef claims his free-range chickens taste better than battery-farmed chickens. 10 people are…