Out of 200 people sampled, 28 said they prefer Coke over Pepsi. What is the point estimate for the proportion of ALL people that prefer Coke over Pepsi?

Q: Out of 300 students in the school, 225 passed an exam. What would be the mean of the sampling…

A:

Q: A survey of 2390 musicians showed that 304 of them are left-handed. Find a point estimate for p, the…

A: Here Given sample size= n=2390                                         X=304

Q: Compare the married and divorced groups in the very happy category with reference to their…

A: Given: A: Married people B: Divorced people X: Very Happy people XA=600  nA=1413     XB=93  nB=485…

Q: We would like to know: "What percentage of college students read the college newspaper every day?"…

A: There are two ways to draw conclusion about a population.

Q: The percentage of female high school graduates who enrolled in college is given in the table below.

A: Given information: The data represents the percentage of female high school graduates enrolled in…

Q: In a pharmaceutical company, the proportion of injection bottles found defective were 0.2, 0.1, 0.8,…

A:

Q: When 345 HS students were surveyed, 125 said that they completed a driver's education class prior to…

A:

Q: Determine whether or not this statement makes sense. Nielsen  Media  Research  determined  the…

A: Given statement is: Nielsen  Media  Research  determined  the precise  proportion  of  all Americans…

Q: Out of 45 students, 29 go on a field trip. Which best represents the percent of the students who do…

A:

Q: At a local Dunkin’ Donuts, a survey showed that out of 1,090 customers eating lunch, 327 ordered…

A:

Q: According to The Census Bureau, 60% of adults buy clothing online. a) How many adults did they…

A: Solution: a. From the given information, p=0.60 and E=0.03. The confidence level is 0.95.

Q: If the distribution is approximately mound-shaped, what is the proportion less than 80.12 ? 15

A: Find the value of z using mean and standard deviation.

Q: In a data set, the proportion of items that are in a particular category is called the?

A:

Q: In a shipment of 500 light bulbs, 25 of them were broken. What percentage of the light bulbs were…

A: Given ,  In a shipment of 500 light bulbs , 25 of them were broken . We have to find the  percentage…

Q: Form a sample of 500 items,30 were found to be defective. The point estimate of the population…

A:

Q: In a sample of 508 men who worked at home, 32% of them were college graduates. a.) Among the 508 men…

A:

Q: What percentage of the sample were female drivers?

A: It is given that Total = 5+7+11+9 = 32 Number of females = 7+9 = 16

Q: What is the estimate of the common population proportion?

A: To find: The estimate of common population proportion

Q: what proportion of people in relationships are dissatisfied?

A: Let , X→N(μ=60 , σ=8) Since , an individuals with a score 50 or less is considered dissatisfied. Our…

Q: Is it possible to provide a meaningful interpretation of the estimate b0?

A: The independent variables are 'weekly income x1' and 'family sizex2' and the dependent variable (y)…

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: Out of 300 people sampled, 153 said they prefer Coke over Pepsi. What is the point estimate for the…

A: Consider that p is population proportion of ALL people that prefer Coke over Pepsi.

Q: A company has the pay scales below, with the percent of employees receiving that pay listed. Find…

A: Let n be the number of employees.

Q: Provide an appropriate response. When 390 junior college students were surveyed,115 said that they…

A: It was given that 115 out of 390 junior college students have previously owned a motorcycle.

Q: When 445 junior college students were​ surveyed, 135 said that they have previously owned a…

A:

Q: n Exton School, 60% of the boys play football and 36% of the boys play ice hockey. Given that 40% of…

A:

Q: When comparing multiple categories from different populations, a _____________ or a _____________…

A: ANOVA :- It is used to compare the means of more than two sample from  different populations. It is…

Q: What percentage of the people who worked were males?

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131 What percentage of the…

Q: Is it more likely to hit the area in white or blue and by how much?

A: The area of the square is= 18×18=324  square inch The radius of the circle is= 2+3+3=8 inches So the…

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: When 410 college students were surveyed,150 said they own their car. Find a point estimate for p…

A: Given Data: The number of college student was surveyed is: n=410 The number of a student owning…

Q: A survey of 400 non-fatal accidents showed that 189 involved the use of a cell phone. Determine a…

A: Given that, In a survey of 400 non-fatal accidents showed that 189 involved the use of a cell phone.

Q: In 2015, the median family income in the United States was $66,650. (Source: U.S. Census Bureau) If…

A: Given: Median = $66,650, 90th percentile = $178,500.

Q: A uSa today/CNN/Gallup survey of 369 working parents found 200 who said they spendtoo little time…

A: It is given that the number of parents said they spend too little time with their children because…

Q: We would like to know: “What percentage of college students read the college newspaper every day?”…

A: We have to find given probabiity.

Q: A sample consists of n = 16 scores. How many of the scores are used to calculate the range?

A:

Q: The Arizona Department of Transportation wishes to survey state residents to determine what…

A: Suppose p̂ is the sample proportion of the population, who would like to increase state-wide…

Q: On a placement examination, Rick scored lower than 1228 of the 12,730 students who took the exam.…

A:

Q: Which student has a larger

A: We have given the data of Sarah and. Elaine

Q: The percentage of buyers who paid between $14,000 and $22,000 is %.

A: Let , X→N(μ=18000 , σ=2000) By  using 68-95-99.7 rule ,  We want to find the P(14000<X<22000)…

Q: In the population, the mean SAT score is 1000. Would you be more likely (or equally likely) to get a…

A: Given that the population mean is 1,000 and the samples sizes selected are 10 and 30.

Q: a survey showing the popularity of the current governor gives an approval rating between 42% and…

A:

Q: In a pharmaceutical company, the proportion of injection bottles found defective were 0.2, 0.1, 0.8,…

A:

Q: In a sample of 20 men, the mean height was 178 cm. In a sample of 30 women, the mean height was 164…

A:

Q: What does the margin of error for the estimate of a population proportion tell you?

A: The formula for margin of error can be written as:

Q: What is the proportion of free apps available in the App store?

A: A survey of Android Apps bought in the App store, indicated that 50% were related to music, 30%…

Q: What is the percent of people who are left handed? (Round to the nearest whole percent) Gender…

A:

Q: Practice questions for a textbook are marked with difficulty levels of easy , intermediate , and…

A:

Q: Find the percentage of scores of the following

A: Given,μ=0s=1

Q: According to the Business and Financial Times newspaper, through January 25, 2018, majority of…

A: Given that there are 162 companies. The number of companies showed beat estimates is 104. The number…

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.