Use the given confidence interval to find the margin of error and the sample mean. (13.2,20.2) The sample mean is (Type an integer or a decimal.)

Q: Suppose that P(A/B) = 0.4 and P(B) = 0.5. Determine the following: P(ANB) b. P(A'^\B) a.

A: GivenP(A|B)=0.4P(B)=0.5

Q: Section of an oil field has been divided into 48 equal sub-areas. Counting the oil wells in the 48…

A: Given:Frequency distribution is given.Here we check that the the data is randomly distributed or…

Q: discrete random variable X has the following probability distribution.  x 0 1 2 3 P(X=x) q 4p2 p…

A: The provided probability distribution is, x 0 1 2 3 P(X=x) q 4p2 p 0.7 - 4p2

Q: probability of getting a prize on or before the 3rd herb you picked?

A: here given , Suppose that you were playing an online game in which the game developers decided to…

Q: In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be drawn in…

A:

Q: probability that the interval between succeeding messages is more than 1 hour

A: HERE given ,   As a data analyst, I received requests at a rate of 1 every 25 minutes,…

Q: Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 3…

A: Required probability is P(Female AND got a 'B')

Q: Find the probability P (0<x< for f(x) = x². cos x³ 3 TU 0.235 O 0.304 O 0.908 O 0.413 O 0.678 O…

A:

Q: questions, each An examination consists of multiple-choice having five possible answers. Suppose you…

A:

Q: Six girls and five boys wish to join a ski trip. Four of them will be selected at random. What is…

A: Answer:-   Given 6 girls and 5 boys wish to join a ski trip                Total are = 6 + 5  = 11…

Q: Which is the expectation for a binomial distribution? O a) 3/ о b) np

A: Given problem is :

Q: A black ball is drawn on the first draw. ii. Two green balls are drawn. iii.…

A: According to our guidelines, we can answer only three sub-parts. So, please re-post the rest part.

Q: Suppose a random variable, x, follows a Poisson distribution. Let μ = 2.5 every minute, find the P(X…

A: The provided information is…

Q: The probability density function of the random variable X whose momen x+1 generating function () (1…

A: Let us consider, the probability density function,

Q: For a sample of n = 75, find the probability of a sample mean being greater than 222 if μ=221 and o=…

A:

Q: The scatter plot shows the number of hours worked, x, and the amount of money spent on…

A: The scatterplot shows the number of hours worked, x, and the amount of money spent on entertainment,…

Q: The probabilities of events A, B, and An B are given. Find (a) P(A U B), (b) the odds in favor of…

A:

Q: Traffic fatalities occur at the rate of 1.32 fatal accidents per 100 million miles. Find the…

A: GivenTraffic fatalities occur at the rate of 1.32 fatal accidents per 100 million milesλ=1.32…

Q: Q1) c- The probability of twice withdraw the same ball from a box contains 25 balls, 5 balls are…

A: Given that ,  A box contain 25 balls . Out of this, 5 are white balls , 7 are blue balls and 9 are…

Q: 1. What is the probability of getting the number 5 when a fair die is thrown? A. 0 B. 1/6 C. 1/2 D.…

A: If any one want to known the happening on an event then probability is used. It is calculated by…

Q: How many ways can you choose 4 cookies from a cookie jar containing 25 cookies of all the same type?…

A: Given data  You have 25 cookies.  Select 4 cookies  No. If ways to choose cookies =?

Q: There are 294 students in the senior class. Four of the students will be chosen to be the President,…

A: Given,Total no.of students=294

Q: 3- If X-hyp(n, D, N) then, the second factorial moment of X is O True о False n(n-1)D(D-1) N(N-1)

A:

Q: In how many ways can we arrange six letters of the word SWITZERLAND that starts with letter S? O…

A: Answer : - In how many ways can we arrange six letters of the word  SWITZERLAND  that starts with…

Q: There are 3 arrangements of the word DAD, namely DAD, ADD, and DDA. How many arrangements are there…

A: Here letters are of word PROBABILITY. HERE TOTAL LETTER = 11 B REPEATS 2 TIME I REPEATS 2 TIMES

Q: when a single die is thrown, it has 6 outcomes since it has 6 faces. what is the sample space ?

A: Given,A single die is thrown once.

Q: The population mean and standard deviation are given below. Find the required probability and…

A: Given that   The data is normally distributed. Sample size (n) = 75 Population mean (μ) = 228…

Q: A bowl contains twelve batteries of which four are new, five are used (working) and three are…

A:

Q: Question: 1. In A Factory, There Are Three Machines Which Account For 25%, 35%, And 40% Percentages…

A:

Q: Find a 90 percent confidence interval for μ, assuming that the sample is from a normal population.…

A: From the provided data Σx=311The square of each number and sum of their quaresΣx2=6319n=16The mean…

Q: 3. The table shows the predicted growth of particular bacteria after certain number of hours. Write…

A:

Q: A milk display case at a grocery store is stocked with cartons of regular milk and soy milk, in both…

A:

Q: e final exams were as in the follow . Therefore, the grade of the stud

A: Subject A B C D E F G H Score 57 76 78 84 53 72 65 91 Unit 5 5 5 4 4 3 3 2   The given…

Q: 15- Let X-G(p) with mean 5 and standard deviation 3, then

A: here use geometric distribution  p = probability of success  mean  =  1/p  standard deviation   =…

Q: An unprepared student takes a 10 question TRUE/FALSE quiz and ended up guessing on all the problems.…

A: n = 10 questions true false questions  so p(correct guess) = p = 1/2 x = no. of correct answer by…

Q: 26. What is the interval notation for the following inequality? "x is greater than or equal to -3" O…

A: Correct notation for X≥-3

Q: 0. The average service rate is 14 people per hour. What is the average time required to serve a…

A: The average number of people arriving = 10 per hour The average number of people getting services =…

Q: Which set of data would probably show a strong positive linear correlation?

A: here use Basics of Correlation  positive Correlation   :  As one variable Increase other also…

Q: Use the values on the number line to find the sampling error. 4 The sampling error is x=4.5 4.6 4.8…

A: Given: x¯ = 4.5 μ = 5.22

Q: A package contains ten yellow, six green, eight purple, and nine red candies mixed together. What is…

A: here given A package contains ten yellow, six green, eight purple, and nine red candies mixed…

Q: Find the critical value z necessary to form a confidence interval at the level of confidence shown…

A: GivenConfidnece level(c)=0.96

Q: [Q2] The probability distribution for the discrete random variable in the table below. Find: c,…

A:

Q: questions, each An examination consists of multiple-choice having five possible answers. Suppose you…

A: Let A= Give the answer B= knew the answer

Q: Suppose X, Y and Z be random variables with j.p.m. f. f(x, y, z)= kxyz with x E {1,2}, y = {1, 2,…

A: Given information: The value of k is obtained below:

Q: Q2: A- Find the probability distribution of the random variable y, which represents the number of…

A: Tossing a balanced coin Getting a Head 0.5 Getting a Tail 0.5   E(x) = ∑xp(x)Var(x) =…

Q: 1- The total number of positive integers that can be formed from the digits 1,2,3 and 4 if no digit…

A: NOTE- AS PER POLICY I  HAVE CALCULATED FIRST MAIN QUESTION ONLY. Here Given 4 digits 1,2,3,4

Q: Let X~U (0,0), then P(X > X²) is

A: Given that X~U0,θ fx=1θ-0=1θ, 0≤X≤θ

Q: If X and Y are random variables having the joint density function f(x,y) = (6-x-y), 0<x<2, 2<y<4.…

A: Here Given joint pdf of two random variable x and y f(x,y) = 186-x-y , 0&lt;x&lt;2, 2&lt;y&lt;4

Q: According to CBS Money Watch, the average monthl phone bill is $100. Suppose monthly household cell…

A: It is given that the mean is 100 and the standard deviation is 11.35.

Q: Find the minimum sample size n needed to estimate u for the given values of c, o, and E. c=0.98,…

A: Givenc=0.98standard deviation(σ)=6.5Margin of error(E)=2