in a certain town. If a resident who is 30-49 years old is chosen at random, what is the probability that they have completed a only high school or just some college? Round 1.1

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

A: age 20-29 age 30-39 age 40-49 age >=50 total  high school only 1491 543 1147 1381 4562 some…

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) Sally has two coins. The first coin is a fair coin and the second coin is biased. The biased…

A:

Q: A health and safety consultant working in a large department store finds that the wait time for a…

A: The probability that a person can reach the ground floor is less than 2.25 minutes after pushing the…

Q: Question 2 Given X~ N(20,16), find a. P(X >23) (4 decimal place)

A: X~N(μ, σ2) = X~N(20, 16) ~Normal distribution.  Let X be the random variable from normal…

Q: A​ person's blood pressure is monitored by taking 44 readings daily. The probability distribution of…

A: n=44μ=129σ=33

Q: At the end of a course the final grade is decided with the help of an oral examination. There are a…

A: (a) To maximize the chances of drawing an easy subject, the best position to choose is the fifth…

Q: Research Study:   The following data collected lists the typing speed as measured by a standard…

A: To compute the values listed in Table #1 using the given data, we can perform a simple linear…

Q: Probability Mass Function. Let X be a discrete random variable with the following PMF. S Px(x) = С…

A: For discrete random variable with PMF Following rule and formula apply, Rule : ∑ px(x)=1(Rule)…

Q: 7. What is the probability that an ordinary year has 53 Sundays? (a) (b) (c) (d) 9 har contains 9…

A: As per the Bartleby guildlines we have to solve first question and rest can be reposted.... 7...…

Q: Please round all answers to 2 decimal places. Given the table below, use your calculator to find…

A: The total number of pairs of observations is n = 6.

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: Y|0~f(yle) = I(y E {1,...,0}), i.e., the data Y is 0(1+0) 10) that has the unknown parameter 8. The…

A:

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: Five distinct numbers are randomly distributed to players numbered 1 through 5. When- ever two…

A: Five distinct numbers are randomly distributed to players numbered 1 through 5. When- ever two…

Q: (a) Suppose that we roll two six-sided dice and let X and Y be two numbers that appear. Find the pmf…

A: Here given that 2 six sided dice are rolled ,  So ,total possible outcomes = 6 * 6 = 36  NOTE : As…

Q: A single card is drawn at random from a shuffled deck. What is the probability that it is red? s the…

A: “Since you have posted multiple questions, we will provide the solution only to the first five…

Q: Dresden and Morgan both have the following loss distribution. Loss Possibility Loss Probability $0…

A: Loss probability Loss Probability 0 0.9 4000 0.1 Sum 1

Q: To compute the confidence interval use a     distribution. b. With 90% confidence the population…

A: x̄=38.3, ?=10.5, n=126

Q: 2.) Grade Distribution. Mr. Doole's grade distribution over the past three years for a course in…

A: From the given table ,   n(A)=43 n(B)=182 n(C)=260 n(D)=90 n(F)=62 n(I) =8 Total =…

Q: to honor their ancestors. The mural covers a 1218 m1281​m12, start fraction, 1, divided by, 8, end…

A: Let's break down the expression in detail and explain each step:   Information given:   The mural…

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: In a certain weather forecast, the chances of a thunderstorm are stated as 24 out of 100. Express…

A: The chances of a thunderstorm are stated as 24 out of 100

Q: 23/25 23/35 23 12 35 5 4C he above table shows the composition of a group of 40 people with U.S. and…

A: US Canada Row Totals Female 23 2 25 Male 12 3 15 Column Totals 35 5 40 The objective is…

Q: where is answer d??

A: Given that,    Texas plant has 35 employees  And,    the Hawaii plant has 25 employees So,    Total…

Q: egrees C. The doffidrom the previous year is less than the margin of error of about 0.13 degrees C…

A: use every year an increase is reported such as 0.09 degrees.   the previous year is less than the…

Q: Create your own probability problem using a number cube. Classify your event and its compliment. Are…

A: Problem: You roll a number cube once. Define the event "E" as rolling an even number (2, 4, or 6).…

Q: In the statistics, there 20 Malays, x Indians and 10 Chinese's students in a seminar and find the…

A:

Q: Mrs. Hiatt puts the names of all 15 of her second period students on popsicle sticks and places them…

A: The probability that James will be called on at least once can be calculated using the complement…

Q: Grade Complaints Two of the mathematics professors at Enormous State University are Professor A…

A: It is required to estimate the number of students among the 10 in the delegation, who were former…

Q: My answer choices are 1/10. 1/150. 3/20. 1:15

A: Jimmy puts 10 cards in the bowl, and the bowl has a total of 150 cards.

Q: A given data set is normally distributed and has a mean of 25 and a standard deviation of 3. What…

A: From the provided information, Mean (µ) = 25 Standard deviation (σ) = 3

Q: Twenty six people purchase raffle tickets. Three winning tickets are selected at random. If first…

A: Twenty six people purchase raffle tickets. i.e. n=26 Three winning tickets are selected at random.…

Q: (Birthday Paradox). John is on a speed dating night with 30 people. It turns out that two people…

A: There are 30 people on speed dating night. Out of 30 two people have the same birthday. We are asked…

Q: The probability distribution for the number of sales for a salesman each day is given below. What is…

A: According to the given information in this question We need to find the expected value

Q: Given a population of 10,000 people and a known prevalence rate of 5% for a specific medical…

A: The prevalence rate is 5%.

Q: 5. A bag contains 4 red marbles and 2 blue marbles. You draw a marble at random, without…

A:

Q: If P(A')= 0.4 and P( A and B)= 0.30, then find P(B|A)?

A: Answer: From the given data, P(A') = 0.4 Since, P(A) + P(A') = 1 P(A) = 1 - P(A') = 1 - 0.4 = 0.6…

Q: Doctoral Student Salaries Full-time Ph.D. students receive an average of $12,837 per year. If the…

A: a) Suppose the random variable x defines the salaries of doctoral students per year.

Q: In a deck of playing cards, there are 52 cards consisting of 4 suits (hearts, diamonds, clubs, and…

A: Ans:- Given, In a deck of playing cards, there are 52 cards consisting of 4 suits (hearts, diamonds,…

Q: Do people cheat or lie when the cheating or lying is not easy to identify (such as filing of taxes)?…

A: It is required to find the expected proportional distribution of the outcomes of the first roll of…

Q: 3. Find the area of the indicated region under the standard norm Tun

A: According to the given information in this question We need to find the area under the curve

Q: Groups of adults are randomly selected and arranged in groups of three. The random variable x is the…

A: We have given that x P(x) 0 0.367 1 0.425 2 0.181 3 0.027

Q: There are 15 mobile phones in a package box, 9 of which are iphones. If a person takes 5 phones from…

A: no.of iPhone =9 Total mobile phones=15

Q: If Mrs. Hiatt chooses two students, what is the probability that Emily will not be one of them?

A: Mrs. Hiatt puts the names of all 15 of her second period students on popsicle sticks and places them…

Q: Directions: Find the probability that a randomly chosen point lands in the shaded region. 15 cm

A: Find the probability that a randomly chosen point lands in the shaded region.

Q: A survey was conducted that asked 1005 people how many books they had read in the past year. Results…

A: Mean =14.4 standard deviation =16.6 sample size =1005

Q: The optimal scheduling of preventive maintenance tests of some (but not all) of n independently…

A:

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 from the class does not have a brother is obtained…