An autoclaved aerated concrete (AAC) manufacturer packs the products into boxes of 50. It is known that 0.3% of AACS produced by this manufacturer are always defective, what percentage of a randomly chosen box contains: a) No defective at all ? b) 3 or more defectives ?

Q: A local college recently made the news by offering foreign language-speaking dorms to its students.…

A: Given observed frequency(O) table : Expected frequencies and Test statistics can be calculated as…

Q: A small-town mechanic says that 8% his customers come in for an oil change. When  1000 samples were…

A: Target population means, the set of elements that we want to know more about

Q: How many possible combinations can be drawn from a population of 16 with sample size of 3?*…

A: We have given that,  How many possible combinations can be drawn from a population of 16 with sample…

Q: a. How many blocks were used in the experiment?

A: Followings are the answer of the quation  The given Anova table for Two -way a nova 1) When we find…

Q: In one of its Spring catalogs, a company advertised footwear on 34 of its 200 catalog pages. Suppose…

A: Given information: Given that a company advertised footwear on 34 of its 200 catalog pages. The…

Q: Wore a bicycle helmet (among students who had ridden a bieyele during the previous 12 months)?…

A: Solution-: We have, The given frequencies table are observed frequencies    12th-Grade Boys 12th-…

Q: In an experiment for a new drug, to determine the most effective dose and method of administration,…

A: Combination of factor at known as treatment.

Q: a) a randomly selected vehicle was driven more than 15,000 miles; b) of five randomly selected…

A: here given  mean  =  12494 miles  standard deviation = 1290 miles  here use excel command or…

Q: d.) In a random sample of 500 police officers, how many have an annual salary of at least $58,750.

A: Let X denote the annual salaries of police officers. Given that X follows N(mean = 50000, SD =…

Q: The heights (in inches) of ten randomly chosen American males are shown below. 71 67 67 72 76 72 73…

A: Given Required information is given by : 71 , 67 , 67 ,  72 , 76 , 72 , 73 , 68 , 72 , 72 We have to…

Q: 40. Of 1,000 people consulted, 811 liked chocolates, 752 liked toffees and 418 nd

A: Given problem Given that   Method 1 :

Q: 1.How many respondents should be chosen from Luzon? A. 125 B. 150 C. 175 D. 200 2. What type of…

A: Given that, a sample of respondents who own a Laundry Business from Luzon, Visayas, and Mindanao.…

Q: Back to school, again Based on the 74% national reten-tion rate described in Exercise 23, does a…

A: Consider that p is national retention rate. The standard normal variable Z is defined as, z = (p̂ –…

Q: 4- A florist is interested in the proportion of her clients that prefer roses in their flower…

A: In statistics, a population is a set of similar items or events which is of interest for some…

Q: The HEALTH resources and services. reported that 6% of people who recieved Kidny transplants were…

A: Given Information: The proportion of the people who received kidney transplants under the age of 18…

Q: Your town does a study and finds that 3 in 5 dogs have licenses. If there are 250 dogs in town, how…

A: In the given study it has been found that 3 in 5 dogs have licenses. The probability that the dogs…

Q: Suppose that in a survey of five-year-olds, 54% liked the letter A, 58% liked the letter B, and 49%…

A: Solution:robability of liking A  P(A)=0.54 Probability of liking B  P(B)=0.58 Probability of liking…

Q: Since 1966, 45% of the No.1 draftpicks in the NBA have been centers. a) identify the population b)…

A: Population: In statistical enquiry our interest lies about gathering information about some…

Q: 1. In a survey of university students 64 had taken mathematics course

A: Given, in a survey of university students 64 had taken mathematics courses, 94 had taken…

Q: Wore a bicycle helmet (among students who had ridden a bieyele during the previous 12 months)?…

A:

Q: Rayann conducted a survey of the cars in four parking lots and wrote the following observations: 15…

A:

Q: A city planner surveyed 141 residents. For each, the planner recorded whether the resident owns a…

A: Given that  A city planner surveyed 141 residents.   Alone Not alone  Total Car  26 10 36 No…

Q: survey of 300 union members in New York State reveals that 112 favor the Republican candidate for…

A: The sample proportion is computed as follows,  The value of z at 98% confidence level is 2.326,…

Q: In the Sanatorium For Acute Intellectual Malnutrition, a nourishing twelve course Christmas Exam is…

A: Given: n = 20 To find: The number of orphans who will on average end up without a test given that…

Q: Does the location of your seat in a classroom play a role in attendance or grade? 400 students in a…

A: By definition of proportion, p = No. of favorable cases / Total No. of cases

Q: The total number of outcomes in the sample space when 10 coins are tossed is O 30 O 1024 O 70 O 90 O…

A: The total number of outcome in the sample space when n coins are tossed is 2^n

Q: A spinner is divided into five equal sectors labeled 1 through 5. What is the probability of getting…

A: GivenA spinner is divided in five equal parts labeled 1 -5No. of spins(n)=5Probability of getting…

Q: If a manufacturer is trying to put together a sample collection of her safetyproduct and order is…

A: Find the number of ways in which 15 items can be placed in packages containing 5 items without…

Q: omly selected person aged 20 years or older is male and jogs? Would it be unusual to randomly sel r…

A: Given P(J)  = 26.6% =0.266 P(M|J) = 12.4% =0.124

Q: A researcher plans to conduct a survey about drink preference of BSMath students of ABC University.…

A:

Q: Suppose that a survey of five- year olds, 45% liked the letter A, 51% liked the letterB, and 48%…

A: Given that P(liked letter A)=45%=0.45 P(liked letter B)=51%=0.51 P(liked letter C)=48%=0.48 P(liked…

Q: An acceptance sampling plan with n = 15 and c = 1 has been designed with a producer’srisk of .075.a.…

A:

Q: the manger of the BiLo Supermarket in Mt. Pleasant, rhode Island, gathered the following information…

A: a). Here, Minimum value=1 Maximum value=15 class interval is given as 3 The lower-class limits for…

Q: Does the location of your seat in a classroom play a role in attendance or grade? 1600 students in a…

A: To compare the proportions of more than 2 groups, a chi-square test of goodness to fit is used. The…

Q: A machine puts out 10 defective units in a sample of 200 units. After the machine is overhauled it…

A:

Q: Consider an experiment with eight ​groups, with two values in each.   a. How many degrees of…

A: By among group variation, we can assume it to be the deviation of "Sample means" from "Grand mean",…

Q: . In preparing a report on the economy, we need to estimate the percentage of business that plan to…

A:

Q: asked to guess the average weight of the six watermelons by taking a random sample without…

A: Here use sampling distribution without replacement

Q: c) How many women, on average, would you expect to find in a sample of that size? women (Type a…

A: (c )   Obtain the number of women of sample found in that size is expected on average.   The number…

Q: A survey of a magazine's subscribers indicates that 50% own a home, 80% own a car, and 90% of the…

A: Givensubscribers own a home = 50%subscribers own a car = 80%subscribe own a car given that they own…

Q: The group of items chosen from the population is called the Оа. ехample O b. [oll O c. sample O d.…

A: The information that are recorded and used to analysis a study is defined as data.

Q: On a casual day it was found that 12% of the learners wore their favourite t-shirts. The remaining…

A:

Q: According to Information Resources, which publishes data on market share for various products, Oreos…

A: Given information: Oreos control about 10% of the market for cookie brands. Suppose 20 purchasers of…

Q: Does the location of your seat in a classroom play a role in attendance or grade? 1600 students in a…

A: Given : Group 1 2 3 4 Attendence 0.84 0.84 0.84 0.80

Q: Consider an experiment with three groups, with seven values in each. a.  How many degrees of…

A: Solution: Given information: k= 3 groups  Each group has seven values  n1=n2=n3=7n=n1+n2+n3n=…

Q: A machine puts out 16 imprefect articles in a sample of 500. After the machine is repaired, puts out…

A: If two samples are drawn from different populations, we may be interested in finding out whether the…

Q: females and 16 s responded po swer the follov

A: Note: Since you have asked multiple questions, we will solve the first question for you. If you want…

Q: A city council of a small city wants to know the proportion of eligible voters that oppose having a…

A:

Q: She is interested to use this table to do a test of independence with a level of significance of…

A: Solution: Given data:   Ethnicity   Seat belt  worn Hispanic Non-Hispanic Total Yes 30 149…