5. In a shipment of 750 computers, 75 were found to be defective. What percent of the shipment of computers were faulty?

Q: in the U.S, 37% of households have dogs, 30% of households have cats, and 7% of households have both…

A: Addition rule of probability:Addition rule of probability indicates the happening either of the…

Q: What percentage of students are enrolled in between 12 and 18 credits?

A:

Q: 1) Estimate the population mean of the number of customers entering the restaurant each day.

A: Here use formula of Mean, variance, median  And here ascending order of data  18,19,20,25,31,42

Q: How many patients were lost to contact?

A: The given table shows the year of death, year of last contact, time and number at risk, number of…

Q: 5.) Ms. Cyrus has 64 songs on her phone. Two- fifths of the songs are R&B songs. The rest are jazz.…

A:

Q: )How many plants have heights between 10 and 25 inches? b) How many plants have heights more than 15…

A: a)How many plants have heights between 10 and 25 inches? plants have heights between 10 and 25…

Q: 5. What percent of the sophomores watch TV for at least 15 minutes per night?

A: Following statistics is given for TV time   Minimum = 0 minutes Q1 = 15 minutes Q2 = 60 minutes Q3 =…

Q: 1 A company employed 300 workers when it started and now employs 852 workers. (a) Calculate the…

A: Initial number of workers is 300 Workers at present is 852   Now, precentage…

Q: In a class with 25 student there are 6 student very talentet in the subject of art. What percentage…

A:

Q: 37. Whatis the proportion of single women among those who are 30-44 years old? 38. Of the to tal…

A: The following information can be obtained from the table: Number of single women who are 30-44 years…

Q: 13. Market research statistics show that 39% of U.S. households own dogs, 34% own cats and 23% own…

A:

Q: A quality control process finds 20.7 defects for every 6,900 units of production. What percent of…

A: We have given that 20.7 defects for every 6900 units of production  % of defective units =defective…

Q: 13. If 27 out of 30 people passed a driving test, what percent failed?

A: Given Total people = 30 Passed people= 27 So ,failed people= 30-27 = 3

Q: A quality control process finds 37.2 defects for every 9,300 units of production. What percent of…

A:

Q: A survey of 150 people revealed that 115 people like ketchup on their hot dogs, 85 people like…

A: Concept of General Addition Rule: For any two events A and B the General Addition Rule state that:

Q: If 55% of the books have been signed out, what percent of the books have not been signed out?

A: Given that: According to the question, 55 % of the books have been signed out. Signed  out=55…

Q: 7.) How much does the Over the Rainbow Bakery sell 18 cupcakes for? 8.) What is the proportion of…

A: Ingredients For 4 dozen for 225 cupcakes cake ingredients     Shifted flour 6…

Q: What percentage of buyers paid between $14,500 and $16,000? %

A: Here Given Figure for the Normal distribution with  Mean=μ=$16,000σ=$ 500

Q: 36% of the children in a school have a dog, 24% have a cat, and 12% have a dog and a cat. What…

A: The percent of those who have a cat also have a dog is, PDog|Cat=PDog ∩…

Q: I conducted a study and asked 15 of my classmates about their daily allowances. Classmate 1 2 3 4 5…

A: Let us formulate a problem out of the given data in the question in the next steps.

Q: Suppose that in a group of 800 women, the percentage who work is the same as in the sample here, how…

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131

Q: A survey of 800 nurses yielded the following information: 430 were health club members, 575 were…

A: Number of nurses in a survey = 800 Number of health club members = 430 Number of smokers = 575…

Q: 5. Compute the point estimate for the difference in the proportion of orange colored pieces between…

A: We want to find the point estimate for the difference in the proportion of orange colored pieces…

Q: A management survey for a company surveyed 235 employees. 105 of the employees surveyed were…

A: Given, Number of employees= 235 Female employees= 105 Male employee % =?

Q: 1. What is a quintile and what do the five quintiles represent in this document? 2. Using an eyeball…

A: 1) A statistical value of any data set representing 20% of the given population is a quintile. In…

Q: There are 1,000 students in a college. Out of 20,000 in the whole university, in a study 200 were…

A:

Q: A survey of 800 nurses yielded the following information: 430 were health club members, 555 were…

A: Given data, Total number of nurses=800 in which Health club member nurses =430 Smokers nurses =555…

Q: 7) A researcher at a major hospital wishes to estimate the proportion of the adult population of the…

A: Given that, Critical value: Using the z-table, the critical value at 99% confidence level is

Q: A parts store sells both new and used parts. Sixty percent of the parts in stock are used. Sixty-one…

A: Let,P(u)= percentage of used stockP(d)=percentage of defective stock.P(u U d) = percentage of used…

Q: A purchaser paid $1,579.13 for a computer system that originally cost $1,184.35. If the markup was…

A: Given -  Selling price = $1,579.13                Original cost = $1,184.35 Markup based on Selling…

Q: An estimated 333 out of every 252525 men are left-handed. What percent of men are left-handed?

A:

Q: 8. The registrar's office at ACC predicts that 30% of the 6,950 spaces open in various math classes…

A: (a) The  percentage of seats filled during the first week of registration =30% The percentage of…

Q: 19 2. How can you tell whether a greater percent of customers surveyed selected veggie burger or…

A:

Q: 14. How do we test a claim for a proportion?

A: Here we shall answer Problem 14 and the remaining must be reposted. According to our guidelines, we…

Q: A. What is the sex ratio of male to female regular alcoholic beverage drinkers? B. What proportion…

A: The given data is,   All persons 18 years of age and older Current regular alcoholic beverage…

Q: A school knows that 38% of its incoming students own a smart phone and a tablet. What percent of…

A: Let S be the set of students with smartphone and T be the set of students with tablet Percentage of…

Q: 2 Considering the 5800 enrollees in the College of Education, a researcher would like to make a…

A:

Q: If 10 out of 30 students got 22.5, 15 got 40 and 5 got 80 in an exam, which is the weighted average…

A: Given information: Total number of students n=30 The scores achieved by the respective number of…

Q: (a) What proportion of babies born full term are low-birth-weight babies? (b) What proportion of…

A: From the given information, let X be the full term baby birth weights. Here, X follows normally…

Q: a hospital wants to estimate the percentage of admitted patients who receive Medicare benefits. if…

A: To calculate the minimum sample size require to be 95% sure that margin of error will fall within 4…

Q: a) What proportion of the sampled wafers had (P 2 8)? b) What proportion of the sampled wafers had…

A: 5. a) The frequency is, Number of Particles Cumulative frequency Frequency Number of Particles…

Q: A quality control process finds 36.6 defects for every 6,100 units of production. What percent of…

A:

Q: What percentage of the widow students are  female

A: Total widowed students=2+3=5Total female students who are widowed=3

Q: 9. There were 35 students signed up to go on a field trip. On the day of the trip only 28 students…

A: Given -  Total number of students signed up to go to trip = 35 Students present in trip = 28

Q: In a Harris poll of 2302 adults, 14% said they have a tattoo. Approximately how many adults have a…

A: Given information- We have given that in a Harris poll of 2302 adults, 14% have a tattoo. We have to…

Q: 4) Lobbyists of cigarette manufacturing firms claim that the average nicotine content of their…

A: The answer is below,

Q: The number of passengers using a rail link fell from 190,205 to 174,989. Find the percentage…

A: In this question, we have to find the percent decrease in rail link.

Q: What percentage of Fresh fruits are Oranges? Fresh Frozen Total Apples Oranges Strawberries 40 30 70…

A:

Q: An electronics retailer list the sales (in thousands) of certain products in three cities for the…

A: City 1's total sales is 76 × 220 + 73 × 346 + 61 × 126 + 66 × 1971 = 179750 i.e. 179.75 thousand…

Q: 72% of Americans said that they plan to travel in 2021, and 9% of those who plan to travelintend to…

A: For example we take 100 Americans 72% of Americans said that they planned to travel in 2021, 72% =…

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.