A sample of 81 items is taken from a population with a standard deviation of 45 kilograms. The sample mean is 112 kilograms. What weights are included in the 99.7% confidence interval? O A. 102 kilograms to 122 kilograms O B. 97 kilograms to 127 kilograms O C. 107 kilograms to 117 kilograms O D. 92 kilograms to 132 kilograms

Q: A department store is about to order deluxe, standard, and economy grade DVD players for next year's…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: you had a box of five different kinds of fruit and you could choose 2, you might get an apple and an…

A: Given that  Number of types of fruits (n) = 5 Number of fruits we could choose = 2   We know that…

Q: In a survey conducted among a random sample of students the followinv observations were made…

A: Given data is as follows,

Q: Exposure to microbial products, especially endotoxin, may have an impact on vulnerability to…

A: Mean is calculate by adding all the observation in the sample divide by the sample size. It provide…

Q: The average number of field mice per acre in a 5-acre wheat field is estimated to be 10. Find the…

A:

Q: iform distribution (in practice this could be done by first selecting a te of the point selected and…

A: *Answer:  (b) Let  denote the region described in the problem statement. Begin by explicitly writing…

Q: 2.1 Solve the below problem (show all calculations). Let Y, and Y, be random variables with joint…

A: Note: In case of multiple questions, answer to first question will be provided as per the…

Q: • A single card is drawn from a deck. Find the probability of selecting: a 7 ora diamond; a club or…

A: As per our guidelines we are suppose to answer only one question1)GivenTotal no.of cards in a deck =…

Q: A customer at a specialty coffee shop observed the amount of time, in minutes, that each of 20…

A:

Q: he two events in ally exclusive or

A: Mutually exclusive events means those events which cannot occur together or do not overlap.

Q: Jessica's plane and Kayla's plane take off at the same time Lauren's plane leaves 1 hour earlier…

A: Given problem Given that   Jessica's plane and Kayla's plane take off at the same time. Lauren's…

Q: Suppose that there are two urns, i A, B, and one is chosen randomly by nature. Urn A has 3 red and 6…

A: Solution: From the given information, Urn A contains 3 red and 6 black balls. Urn B has 6 red and 3…

Q: 4. Let X1 and X2 be random samples from a standard normal distribution, answer the following…

A:

Q: 5. Two archery targets are divided into 3 sections that contains numerical values, as shown below.…

A: Given a circle is divided into three sections Blue, Red and Yellow.

Q: the arrows landed. What is the probability distribution table of the variable random variable X?

A: here given , Two archery with number 3,5 and 8   here there are three color in each archery and…

Q: 3A) Given P=822-30Q2 and MC=12+9Q find the consumer surplus (CS) (Hint: TR to MR and optimum…

A:

Q: 4.) If 100 tickets are sold for two prizes and one person buys two tickets, find the probability…

A: As per company guidelines I solved only First questions.thank you

Q: Among the 30 applicants for a position at a bank, 18 are married, of which 6 have some banking…

A:

Q: 4. (a) In a group of 8 people, some of them shake hands. Is it possible that everyone shaked hands…

A:

Q: Let X1, X2,... be a sequence of coin tosses and let Fn be the sigma-field generated by X1,X2,...Xn.…

A: The sigma field consist of all subsets of the sample space. The sigma field F1 will have four…

Q: 8.) Niacin. The U.S. Department of Agriculture's recommended daily allowance of niacin for adults is…

A:

Q: 2.) Find the probability that an event E will occur if odds are 5:2 in favor of E.

A:

Q: How wil the MAGNITUDE of the crtical value for a two-tailed test compare to the critical value of…

A: Here's, we company two tailed value with one tailed value.

Q: Find the median of numbers a, a - 1, a? +3, a? -5, a2 - 2. O a? - 1 O a² O a² + 3 O a2 - 2

A: Solution-: We want to find median of the numbers a2, a2-1, a2+3, a2-5, a2-2

Q: Now that the degrees of freedom and sum of squares column values have been determined, we can…

A: Given: SST = 170.969 SSE = 846.017 Number of treatment (k) = 4 Size of population (N) = 74

Q: olution thanks

A: Whole Numbers: Whole numbers are a set of numbers, including all-natural numbers and 0. Counting…

Q: The average number of field mice per acre in a 5-acre wheat field is estimated to be 10. Find the…

A: Solution

Q: Chloe's z score for her test was z = 0.1. Her actual test score was x = 80.71. The class mean was a…

A: Given that z=0.1 x=80.71 x¯=80.59

Q: 2. Grear Tire Company has produced a new tire with an estimated mean lifetime mileage of 36,500…

A:

Q: a) In how many ways can 6 people be seated in a row of 12 sests so that here are no unoccupied seats…

A:

Q: sample of four electronic components is taken from the output of a production line. The…

A: GivenPr [0 defectives] = 0.6561, Pr [1 defective] = 0.2916, Pr [2 defectives] = 0.0486, Pr [3…

Q: True or False?? Let B(t) be standard Brownian motion and is known that B(t) is equal to zero at time…

A: Given: B(t) = 0; t = 0 B(t) = 600; t = 1000

Q: b) If the first ball drawn is not replaced before the second ball is drawn, find the following…

A: Given that - Two balls are drawn from a container that holds 5 red balls, 7 green balls and 8 white…

Q: (1) For a function f: R R to be a probability density function it must satisify some conditions.…

A: A Probability density function is a function of a random variable and is used to find out the…

Q: How Much More Effective Is It to Test Yourself in Studying? We have found that students who study by…

A:

Q: his is your experimental data for Experiment #7, Determination of Glucose Using a Biosensor. YOU…

A: Given Information: Standard 1 has a meter reading of 84 mg/dL Standard 2 has a meter reading of 127…

Q: For a certain population of employees, the percentage passing or failing a job competency exam,…

A: Given that  Let A be the event that the employee scores a passing grade on the exam and let M be the…

Q: A paper gives data on change in Body Mass Index (BM. in kilegrams/meter and y- the paper change in a…

A: a) Percentage of the observed variation in depression score is R^2=27.16% b) Point Estimate of sigma…

Q: At Conner Company, a custom manufacturer of printed circuit boards, the finished boards are…

A: Tally marks are a unary numeral system. They are a form of numeral that is used for counting. Tally…

Q: A survey was given to 18 students. One question asked about the one-way distance the student had to…

A: Solution

Q: According to the chemical engineering development report, approximately 30% of all power failures in…

A: Given: Probability of success (p)=0.30 Number of trials (n)=20 Consider X be the random variable…

Q: Continuous Distributions - Data Management The life span of a particular species of turtle is…

A: The life span of a particular species of turtle is normally distributed with a mean of 90 years and…

Q: Refer to the data in the table to the right, obtained from a random survey of 1,000 residents of a…

A: From the provided information,   D R U Totals A 201 103 81 385 B 245…

Q: Estimate the proportion of parts from vendor A that are defective and find the uncertainty in the…

A: here given , In a random sample of 100 parts ordered from vendor A, 12 were defective. In a random…

Q: Suppose that X follows a geometric distribution P(X = x) = p(1 – p)*-1 and assume a i.i.d. sample…

A: Since you have posted a question with multiple sub-parts, we will solve first two sub-parts for you.…

Q: For n=8 and x=0 41, what is P(X= 7)? P(X = 7)=Round to four decimal places as needed.)

A:

Q: Manufacture of a certain component requires three different machining operations. Machining time for…

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

Q: Based on historical data, your manager believes that 31% of the company's orders come from first…

A: From the provided information, 31% of the company’s order come from first time customers, that is p…

Q: Part V. Graphical Analysis Instruction. You are given a null hypothesis and three confidence…

A:

Q: A certain brokerage house wants to estimate the mean daily return on a certain stock. A random…

A: