A sample of size 26 was gathered from high school seniors to estimate how many intended to attend the state university. The proportion answering "yes" was 0.9.

Q: Use the figure to the right, which shows the percentages of adults from several countries who favor…

A: For country C n=1024,p hat =0.45 For country D n =1078 ,p hat = 0.41

Q: A coffee owner wanted to determine how much caffeine was in each cup of coffee being served. A…

A: Note: Hi there! Thank you for posting the question. As your question has more than 3 parts, we have…

Q: in a recent poll 13% of all respondents said they are afraid of heights

A: a) Here, n = 3, p = 0.13, (1 - p) = 0.87 and x = 3As per binomial distribution formula P(X = x) =…

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

A:

Q: The province of Pangasinan has a population of 3,163,190. Calculate the sample size using Yamane's…

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: A sample was done, collecting the data below. Calc 10 22 28 14

A: Given information: The sample data is provided as: x 10 22 28 14 7 It is to…

Q: A random sample of 324 residents of a community revealed that 30% were very satisfied withthe…

A: Given that, Critical values: By using the standard normal table of Z, the critical value for two…

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: Use the figure to the right, which shows the percentages of adults from several countries who favor…

A: There are two independent samples which are Country B and Country C. We have to test whether the…

Q: A survey of 18 people is carried out to understand about their working life. The results are shown…

A: Pie chart: Pie chart is defined as the slice (with different length) representation of relative…

Q: d) What percentage of women are TALLER than 5 feet 11 inches? Round to nearest tenth of a percent. %…

A: Given Information: Mean height of adult men = 69.8 inches The standard deviation of height of adult…

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 scores would be above 567?

A:

Q: For a sample of size 300 from a population with the population proportion, p = 0.45, compute ?? ℎ??…

A: Consider that p is population proportion.

Q: Given that Germany has a death rate of 11.6 per 1000 and a population of 80,722,792, about how many…

A: The Germany has a death rate of 11.6 per 1000. That is 11.6%, and a population of 80,722,792.

Q: Use Table B to answer the following question. 1. What proportion lies to the right of z=0.25?

A: What proportion lies to the right of z=0.25? i.e. P(z>0.25)=?

Q: Use Table B to answer the following question. 1. What proportion lies to the left of z=2.64?

A: Given that: Z is standard normal Distributed with i.e. mean µ =0 and standard deviation σ =1 By…

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: What is the measure of PD?

A: From the figure  FD is diameter , Therefore, ∠FED=90∠FEP+∠PED=9035+∠PED=90∠PED=90-35∠PED=55

Q: How many males were surveyed?

A: It is given that Total = 516 Number of females = 259 Number of males = 257

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: a nutritionist wishes to determine, within 3% the true proportion of adults who do not eat lunch. if…

A:

Q: What percentage of people are men who like movies?

A:

Q: what percentage of the men worked?

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

Q: A state legislator wishes to survey residents of her district to see what proportion of the…

A: Answer:-  Given, Margin of error=7%=0.07 Confidence level=0.90 Let P=0.5 ( as we don't have sample…

Q: An educator desires to estimate, within 4%, the true percentage of high school students who study at…

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: d) What percentage of women are TALLER than 5 feet 11 inches? Round to nearest tenth of a percent.…

A: formula for z-score is

Q: What is the column proportion, D, for students who find SAS difficult to learn and who are somewhat…

A: The number of students who find SAS difficult to learn and who are somewhat proficient is 15.

Q: What percent of students take exactly one courses? %

A: HerecI HAVE COMPLETED ENTIRE TABLE JUST FOR YOUR INFORMATION

Q: What proportion of the general population has an IQ of 70 or less?

A: It is an important part of statistics. It is widely used.

Q: A recent study attempted to estimate the proportion of Florida residents who were willing to spend…

A:

Q: CT 977 There were approximately 28 million adults in Canada when this survey was conducted. Give an…

A: We have given that Sample size = 1008. Value of X =28. Margine of error=3.1%. We need 95 %…

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

A: Given,margin of error(E)=0.04Let us assume sample…

Q: Determining the class standing (1st, 2nd, and so on) for the graduating seniors at a high school…

A: Introduction: Scales of measurement: Nominal: When the possible observations are tags or categories…

Q: For a survey based on 1,900 adults, what is the conservative margin of error as a proportion? (Round…

A: MOE

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: The US population is 13% African American.  If you were to take a SRS of 500 Americans, below what…

A: From the given data The US population is 13% African American

Q: Sleep Aids. The additional sleep, to the nearest tenth of an hour, obtained by a sample of 100…

A: Quantitative variable: A variable that provides numerical values of individual and Arithmetic…

Q: The head of a computer science department is interested in estimating the proportion of students…

A: Solution: From the given information, confidence level is 0.95, p=0.35 and E=0.10.

Q: With no preliminary estimate of the proportion known, how many young adults would you survey to…

A: It is given that margin of error (E) is 0.10 and the confidence level is 0.99.

Q: (d) What percentage of GMAT scores are between 447 and 747?

A: We have to find out given probabiity..

Q: The scores on a statewide math exam were normally distributed with ?=74 and ?=8. What proportion of…

A: GivenMean(μ)=74standard deviation(σ)=8

Q: What percent of those accused were from Haddington county?

A: The total number of accused were from Haddington County is 539.

Q: A recent survey found that in a particular city of all poor children born in 1980, 11,500 enrolled…

A: Scaling of data:The scaling of data, or in other words, normalization of data is a mathematical…

Q: Given μ=25and σ=4.8,what would be the x-value for the ninety-fifth percentile?

A: Given:  μ=25 σ=4.8

Q: On a recent Washington to London flight with 300 passengers, it was found that 100 passengers were…

A:

Q: Suppose you want to investigate the proportion of households in Muscat governorate that have fire…

A: Given information: The investigator is specially interested to estimate the proportion of households…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.