find the probability of observing (a) exactly 2 defectives, (b) at least three defectives, (c) 2≤X<5 defectives.

Q: 1 Given that P(A or B) = —, P(A) = =, and P(A and B)=, find P(B). O A. 77 360 11 O B. 180 67 OC. 360…

A: Given;P(A or B)=15P(A)=18P(A and B)=19

Q: Suppose that f(x, y) = (1/12 1/6 1/3 0 , (1,2), (3,2) , (2,2), (3,3), (1,3) , (2,4) , otherwise is a…

A:

Q: Use the given information to fill in the number of elements for each region in the Venn diagram.…

A: Solution

Q: It is found that a sample of size 100 yields 8 defective items. a. What is the best point estimate…

A: Given data: n = 100 x = 8

Q: Q2. Use the linear representation of ARMA(1, 1) to compute its covariance function.

A:

Q: Pedro has just entered university and has been informed that there is a 30% chance of receiving a…

A: Given that Pedro has just entered university and has been informed that there is a 30% chance of…

Q: (7) The commuting distance(in miles) for 12 students is listed below. 11.5, 21.9, 12.7, 9.0, 19.2,…

A: 7)Given data is11.5, 21.9, 12.7, 9.0, 19.2, 18.5, 19.3, 1.9, 19.2, 0.8, 28.8, 17.7

Q: We want to conduct a hypothesis test of the claim that the population mean score on a nationwide…

A: The sample mean is 511 and the standard deviation is 72.

Q: A poll was conducted by a researcher on March 18-19, 2020, in English and Spanish, among a random…

A:

Q: A study on the correlation between sleep quality and academic performance of SHS students is done by…

A:

Q: P(X> 1.5|X > 1) is

A:

Q: Q4/a/ In a study to show the relationship between a person's weight (kg) and height (cm), a random…

A: Frequency distribution

Q: Use the frequency distribution to the right, which shows the number of voters (in millions)…

A: frequency distribution of the number of voters(in millions) according to age is:- Ages of voters…

Q: On this recommendation, a researcher wanted to estimate the mean sedentary time (sitting while…

A: Given:- n=25, x¯=8.76,  σ=1.75 To calculate 95% confidence interval of a normally distributed…

Q: Suppose that the table shows the COVID-19 cases and deaths in some NCR cities during the COVID-19…

A:

Q: A set of data is summarized: Q1 = 5.6 kg Q3 = 9.2 kg Median = 6.6 kg Lower extreme = 1.1 kg Upper…

A: We know, Outliers are Lower outliers = Q1-(1.5*IQR) Upper outliers = Q3+(1.5 *IQR) IQR= Q3-Q1 Given,…

Q: A large university is curious if they should build another cafeteria. They plan to survey a sample…

A: A university is interested in building a cafeteria. The university surveys its students to find the…

Q: Vaccinated first born? Yes No Total Vaccinated both parents? Yes No 10 (10.5) 5 (4.5) 15 4 (3.5) 1…

A: The observed and the expected frequencies are given in the table. The researcher is interested to…

Q: 3. Mrs. Alcancia groups the senior high students according to their grade level and strand. She…

A: To get a sample that properly represents the population from which it was selected is the goal of…

Q: Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced…

A: Answer: - Given, Two cards are selected from a standard deck of 52 cards without replacement.…

Q: work: In a poll about work, 40% of respondents said that their jobs were sometimes or always…

A: The sample size n is 9 and p=0.46.

Q: Pandora, the owner of a food delivery app, knows from experience that the time needed to assemble a…

A:

Q: A certain company produces and sells frozen pizzas to public schools throughout the eastern United…

A: Given:The data is given.Year (x) :Indepenndent variableRevenue (y): Dependent variable

Q: 4- If X is an exponential with parameter 1, then 2X is chi-square with 2 degrees of freedom. O True…

A:

Q: Determine whether the statement is true or false. If it is false, rewrite it as a true statement. As…

A: Formula : The standard deviation of the distribution of sample means σₓ̄ = σ/√n

Q: Suppose 100 people all toss a hat into a box and then proceed to randomly pick out a hat. What is…

A:

Q: Listed below are ages of actresses and actors at the time that they won an award for the categories…

A:

Q: college claims that the proportion, p, of students who commute more than fifteen miles to school is…

A:

Q: In a regression based on 30 annual observations, U.S. farm income was related to four in- dependent…

A: Given that: Number of observations, n = 30 Durbin Watson statistic, d = 1.29 Coefficient of…

Q: - If f(x)= is the probability density function for a random variable that can take on the values x =…

A: Given information: fx=k2x, x=0,1,2,3,4 The value of k is,…

Q: Households are randomly selected and partitioned into groups of four. For those groups, the random…

A: The given probability distribution table is

Q: Q3: Choose the correct answer Let X~F (4,8), then 3. The probability density function of X is O A 5…

A:

Q: shopper is randomly chosen. Complete parts (a) through (d) below Find the probability that the…

A: Solution  Given That ,  Shoppers at Pageturner's Bookstore are tracked, with the following results…

Q: Create a box and whisker plot for Dauphin Island. Gulf of Mexico Eastern Coast Water Temperatures…

A: The box plot contains 5-number summary. That is, the minimum value, the first quartile, the second…

Q: Question 4 Suppose that f(x)- e for 0 < x. Determine the (b) P(1 < X < 2.5) (d) P(X<4) following:…

A: Given: fx=e-x for 0&lt;x

Q: The finished inside diameter of a piston ring is normally distributed with a mean of 9 centimeters…

A: a. Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: The round off errors when measuring the distance that a long jumper has jumped is uniformly…

A: Given data a=0 b=4.5

Q: 9- Let X-U(0,0), then P(X> X²) is (a) 0 (b) 1/0 (c) 1/2

A: Given that, X~U(0,θ)

Q: a value represents the 95th percentile, this means that

A: Here Percentile means there is that much percent value equal or lower than that

Q: ind: c, F(x), and P 5.9 6.4 6.9 10 X

A: Given:- probability distribution function f(x) of some random variable is given  To find c we use,…

Q: 1. Zcomputed 2. Zcomputed 3. Z computed Z/t Computed Value = 1.11, confidence level=90%, one-tailed…

A:

Q: A college claims that the proportion, p, of students who commute more than fifteen miles to school…

A: From the provided information, Sample size (n) = 260 From which 23 commute more than fifteen miles…

Q: 3. It is claimed that the average weight of babies at birth is 3.4 kg. The average weight of a…

A:

Q: Students at a major university are complaining of a serious housing crunch. They complain that many…

A: a. Consider that a random variable X has expected value μ and standard deviation, σ. Now, according…

Q: If X-N(7,4), the P(15.364 ≤ (x-7)²20.095) is

A:

Q: "Most people drink two glasses of water per day," is an example of the use of a) mean b) median c)…

A: Most people drink two glasses of water per day. This is an example of  Mode  Because The most…

Q: Loky wanted to test if there is association between vitamin exposure and having cardiovascular…

A:

Q: A personnel director wishes to compare the effectiveness of two methods of train- ing industrial…

A: The provided information is  The range is approximately 8 minutes σ=8  The margin of error is  E=1…

Q: There is some speculation that a simple name change can result in a short-term increase in the price…

A:

Q: Each element in population has an equal chance of occuring is

A: Followings are the Answer of the question  Answer :- Random Sampling   Followings are the…